The hottest Climate & Environment Substack posts right now

And their main takeaways
Category
Top Climate & Environment Topics
Anima Mundi • 1030 implied HN points • 15 Mar 26
  1. Modern civilization is held up by many buffers — savings, ecosystems, reserves, and redundant systems — and many of those buffers are now nearly empty, so a single shock can cause multiple systems to strain or fail at once.
  2. The Strait of Hormuz closure showed a hidden danger: fuel and sulfur disruptions also stop nitrogen and phosphate fertilizers from moving, threatening spring planting and risking sharply lower harvests and higher food prices months later.
  3. Background trends — faster warming, slow carbon releases from boreal peat, ocean nutrient shifts, insect collapses, and material bottlenecks like copper — are accelerating systemic risk and weakening the energy transition and governance, which means we urgently need institutions that synthesize knowledge across domains to spot and manage these convergences.
The Crucial Years • 7892 implied HN points • 13 Mar 26
  1. A strong "super" El Niño looks likely and, combined with already record-warm oceans and a powerful heat dome, will drive unprecedented heat, worsening droughts, fires, and chaotic weather over the next year.
  2. Weather and water systems are more vulnerable than ever. Forecasting capabilities have been degraded by data cuts just as snowpacks and reservoirs hit record lows, raising the risk of surprise disasters and real shortages.
  3. Energy politics are amplifying the crisis—war and fossil-fuel leverage are driving up prices while utilities and some politicians push back against rooftop solar and climate laws, even as cheap, flexible solar technologies offer a fast path to cleaner, decentralized power.
Doomberg • 7389 implied HN points • 27 Feb 26
  1. A deadly factory collapse helped prompt a French duty-of-vigilance law that makes large companies responsible for preventing serious human-rights, health, safety, and environmental harms across their subsidiaries and supply chains, with potential civil liability.
  2. The law is vague about whether and how companies must address climate change, causing uneven corporate responses and frustration among stakeholders.
  3. A landmark Paris trial against TotalEnergies could force companies to cut oil and gas production to meet national climate commitments, setting a precedent with big implications for multinational liability and France’s energy industry.
The Crucial Years • 6178 implied HN points • 09 Mar 26
  1. Bombing Tehran’s oil depots created a huge, toxic smoke cloud that acted like chemical warfare, exposing civilians to carcinogens, acidic runoff, and long-term health and environmental harm.
  2. The smoke plunged the city into darkness and caused severe breathing, eye, and skin problems, trapping people who can’t safely go outside or flee and making public protest or daily life nearly impossible.
  3. The strikes reflect a deliberate, cruel strategy that worsens civilian suffering and contradicts stated goals of liberating Iranians, while also strengthening the argument for moving off fossil fuels and pushing for change in American policy.
Noahpinion • 27588 implied HN points • 17 Feb 26
  1. China has cleaned up many of its own environmental problems but is simultaneously running a huge distant-water fishing fleet that is depleting global fish stocks and harming ocean biodiversity.
  2. Many of those boats operate illegally or unreported — shutting off transponders, falsifying records, and using front companies — and they concentrate in poorer countries that can’t police their waters.
  3. This global overfishing steals livelihoods and future fish supplies and isn’t getting enough attention from environmental groups or international policy, creating a large, neglected conservation crisis.
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Faster, Please! • 2376 implied HN points • 16 Mar 26
  1. A high-profile scientist's bestselling book and repeated TV appearances pushed an urgent overpopulation message into the mainstream and made apocalyptic thinking widely familiar.
  2. When mainstream TV gives big audiences regular access to doomsday-minded experts, it can normalize fear and shift public attitudes about technological risks like AI.
  3. That kind of media-driven alarmism helped shape decades of pessimism about technology, economic growth, and humanity's future.
Construction Physics • 23383 implied HN points • 29 Jan 26
  1. Manufactured technologies tend to get cheaper more reliably over time, while commodities can also fall in price but do so less consistently, especially in recent decades.
  2. The price dynamics overlap: commodities face depletion, tradability, and cartel effects, while technologies benefit from learning, scale, and process improvements, yet technologies can hit siting or resource limits and commodities can improve via better extraction methods.
  3. It’s unclear whether commodities follow learning curves because long-run cumulative production data is often missing, so analyzing specific price-driving mechanisms is more useful than relying on a simple technology-vs-commodity split.
Doomberg • 8528 implied HN points • 14 Feb 26
  1. The EPA's removal of the endangerment finding undercuts the legal basis for many federal greenhouse gas rules and will trigger lengthy court battles over climate regulation.
  2. California's aggressive climate policies and isolated fuel infrastructure have left its refining system fragile, with Northern California especially vulnerable to losing gasoline, diesel, and jet fuel supplies.
  3. The Benicia refinery shutdown and related supply-chain effects are likely to cause sharp fuel-price spikes and a disorderly transition, and political efforts so far have only delayed rather than solved the problem.
Construction Physics • 12318 implied HN points • 06 Feb 26
  1. US construction productivity is slipping because technological progress is slow, land-use rules are restrictive, and measurement problems hide the full picture.
  2. House price growth tracks average income growth more than median income, so affordability problems are tied to top-end income gains; renting costs less than owning in major metros and builders are pushing big programs to fill a large housing shortfall.
  3. Federal permitting uncertainty is delaying many wind and solar projects, but political opinion and industry moves are nudging solar forward, with new domestic panel manufacturing, landfill and rooftop deployments, and legislative proposals to create permitting certainty.
Doomberg • 7522 implied HN points • 11 Feb 26
  1. Rapid buildout of intermittent renewables like wind is creating reliability gaps — Finland’s turbines iced up, hydro and nuclear couldn’t fully cover demand, and there isn’t enough battery storage to bridge shortfalls.
  2. The EU is pouring hundreds of billions into high-capacity interconnectors to knit countries into a giant grid so excess renewable output in one place can offset shortages elsewhere.
  3. Linking grids spreads both power and price: imports kept Finland’s lights on but raised Swedish prices, and deeper integration risks making electricity costs more uniform — and higher — across the region.
Doomberg • 18571 implied HN points • 17 Jan 26
  1. Human life depends on a narrow band of temperature and humidity, so societies spend massive amounts of energy on heating and cooling to maintain thermal comfort. Because the planet’s average temperature is well below comfortable indoor levels, some argue modest warming would reduce the energy gap needed for decent living.
  2. Intermittent renewables like solar and wind often underperform in the coldest periods when heating is most needed, so they can’t by themselves guarantee reliable winter energy. Poor insulation and high energy costs leave many households unable to stay warm, creating real hardship and political backlash.
  3. Energy availability and infrastructure shape national power and prosperity; countries with abundant, secure energy tend to flourish while those without are vulnerable. Attacks on power plants in wartime show how denying energy can directly harm civilians and be used as a weapon.
The Crucial Years • 3408 implied HN points • 28 Feb 26
  1. Control of oil still drives geopolitics — recent attacks and embargoes raise prices and strengthen the fossil-fuel industry and its political backers.
  2. Small-scale solar, wind and batteries make societies harder to blackmail or bomb. Countries building decentralized renewables — like Cuba, Ukraine and China — are showing that these systems are more resilient than centralized oil infrastructure.
  3. Many leaders are still blocking clean energy and subsidizing fossil fuels, but renewables are spreading anyway through markets, activism and local projects, and public concern about climate is growing.
Doomberg • 7451 implied HN points • 07 Feb 26
  1. Roundup and Roundup Ready GMO seeds let farmers spray one broad-spectrum herbicide over crops, making weed control much simpler and hugely profitable for seed and chemical companies.
  2. Heavy use of glyphosate created major problems. Health concerns led to global litigation after the WHO called it 'probably carcinogenic', and corporate fallout reshaped the industry.
  3. Relying on the same herbicides across huge acreages produced resistant weeds, and now spreading 'superweeds' threaten current farming systems; pairing new GMO traits with more chemicals often encouraged even more over-the-top spraying, which worsened resistance.
The Crucial Years • 6427 implied HN points • 16 Feb 26
  1. An El Niño looks likely to form and will push global temperatures to new records because it adds on top of the planet’s steady warming. Scientists warn this surge could raise the world to around 1.7°C above pre‑industrial levels this cycle and hasten hitting 2°C within the next decade or two.
  2. The extra heat will mean more extreme weather—stronger storms, heavier rains and floods, deeper droughts, and bigger wildfires—that will harm people, infrastructure, and ecosystems. That visible jump in warming will also shift politics and public opinion, and could lead to serious debates about risky options like solar geoengineering.
  3. The clean energy transition is gathering pace with expanding renewables, EV adoption, microgrids, and industrial moves to low‑carbon power, showing economic as well as climate benefits. Still, political choices that favor fossil fuels can block or slow this progress, so policy decisions remain crucial.
Sustainability by numbers • 349 implied HN points • 17 Mar 26
  1. Under mainstream energy scenarios, electricity use per person in Africa will still be very low by 2050, leaving many people unable to power basic appliances or cool their homes.
  2. The key reason is weak economic growth — without stronger GDP and industrial development, electricity demand and access won’t rise much.
  3. Cheaper solar and storage can help lower costs, but they won’t close the gap by themselves; affordable power plus broad economic development are both needed to lift billions out of deep energy poverty.
The Honest Broker Newsletter • 3680 implied HN points • 17 Feb 26
  1. A recent EPA decision tries to reinterpret the Clean Air Act in a way that risks stepping into the judiciary’s role, which almost certainly invites lawsuits and constitutional conflict.
  2. Leaving water vapor out of the regulated greenhouse gases was the Endangerment Finding’s weakest point, because combustion-derived water vapor can measurably affect local and regional climate and therefore fits the logic used to regulate other gases.
  3. Including water vapor in regulation would be politically and practically chaotic and costly, so the real fix is for Congress to update the Clean Air Act or for litigation to force a clear judicial ruling.
The Honest Broker Newsletter • 3974 implied HN points • 14 Feb 26
  1. The EPA formally rescinded the 2009 Endangerment Finding and the vehicle greenhouse-gas rules by reinterpreting key words in the Clean Air Act, and it says this decision is based on legal reasoning rather than new claims about climate science.
  2. EPA's core legal claim is that vehicle emissions would have only a minuscule effect on global temperature and sea level, so they do not materially "contribute" to pollution that can "reasonably be anticipated to endanger" health or welfare, meaning the costs of regulation would outweigh de minimis benefits.
  3. The rule’s future is legally uncertain and could be overturned in court, and there is a clear opportunity for Congress to clarify the Clean Air Act and craft a bipartisan, coherent approach to greenhouse-gas policy.
The Honest Broker Newsletter • 1177 implied HN points • 02 Mar 26
  1. Since 1970 the physical energy intensity of major fossil fuels has fallen sharply—about 70% for gasoline, 64% for natural gas, and 84% for coal—driven by 1970s price shocks, policy, technology, and a shift toward services.
  2. The 1970s were a turning point: economic growth began to decouple from rising fuel use so GDP could grow while physical fuel consumption fell, but the share of GDP spent on energy still swings with volatile global commodity prices.
  3. Coal now represents a vanishingly small share of the economy (around 0.1% of GDP) despite high political attention, while electricity’s intensity has declined less because the economy is electrifying and could rise again if EVs and AI data centers boost demand.
The Crucial Years • 1126 implied HN points • 06 Mar 26
  1. Sunlight travels about 93 million miles to reach Earth.
  2. None of that sunlight passes through the Strait of Hormuz, so it isn’t tied to shipping lanes or geopolitical chokepoints.
  3. Because sunlight isn’t routed through oil transit routes, solar energy can make our energy supply less dependent on volatile geopolitical hotspots.
Doomberg • 8288 implied HN points • 20 Jan 26
  1. China relies heavily on coal, with coal making up roughly 58% of its primary energy and the country burning over half of the world’s coal.
  2. Western media often praises China’s climate leadership, but that praise can be misleading because China’s emissions and coal use remain very large and have grown.
  3. Headlines saying renewables have overtaken coal or that China is leading a clean-energy revolution can depend on specific accounting choices and short-term data, so those claims need careful scrutiny against broader energy statistics.
Faster, Please! • 1553 implied HN points • 05 Mar 26
  1. A new kind of nuclear reactor has been approved, offering a path to reliable, carbon-free power, but small modular reactors remain expensive and their economics will only improve if costs fall with repeated, mass-produced builds.
  2. Electricity demand is rising fast because of AI data centers, electric vehicles, and electrified heating, so the grid needs much more generation and transmission soon; in the near term solar and batteries will add capacity while natural gas provides reliability.
  3. Data centers function like infrastructure rather than big job creators — they use few permanent staff, bring substantial tax revenue, and impose little strain on local services; they can also spur local power investments (including on-site small modular reactors), though opposition often mixes environmental concerns with distrust of big tech.
The Crucial Years • 2700 implied HN points • 21 Feb 26
  1. The fast rush to build AI data centers could massively raise electricity use and lead to lots of onsite gas plants, heavy water use, and local pollution unless projects are powered by new clean energy.
  2. There’s real uncertainty about how much useful, profitable demand AI will actually create, so many proposed data centers may be speculative and the industry could be in a bubble.
  3. Communities and advocates are calling for pauses and stronger rules because of climate and local harms, and there’s a growing need for transparency and clean-energy requirements if these projects move forward.
The Honest Broker Newsletter • 1609 implied HN points • 24 Feb 26
  1. A recent study's headline that the strongest nor'easters are getting stronger rests on fragile statistical signals that largely disappear or weaken when the analysis is limited to the satellite era or when different start dates are used.
  2. The ERA5 reanalysis has uneven observational coverage and known negative biases for extreme storm winds, so improvements in data over time can create spurious trends unless those artifacts are explicitly accounted for.
  3. Detecting and attributing real long-term changes in storm intensity requires multiple independent datasets, methods, and model-based evidence, and current assessments give low confidence that such trends are detectable, so strong public claims were premature.
The Honest Broker Newsletter • 1629 implied HN points • 23 Feb 26
  1. A smaller global population does not automatically mean lower energy use. Rapid development in large, low-income countries means total energy demand can keep rising even if population peaks.
  2. Even with fewer people overall, the number of wealthy people will likely keep growing, driving up demand for energy-intensive services like air conditioning and air travel. So per-person energy use and some forms of total energy demand can still increase.
  3. Lower population projections imply lower future CO2 emissions and mean many climate scenarios are outdated; updating population and growth assumptions points to less warming by 2100, though climate risks still remain.
Common Sense with Bari Weiss • 811 implied HN points • 04 Mar 26
  1. Europe's once-strong push for aggressive net-zero and green energy has fractured. Skyrocketing energy costs and economic realities made those plans hard to sustain.
  2. Recent geopolitical turbulence, especially the war in Iran, has driven up oil and natural gas prices and put extra pressure on European economies and energy policy choices.
  3. Early political enthusiasm for big carbon prices and rapid green transitions is now meeting resistance as voters and governments prioritize affordability and energy security over ambitious climate goals.
The Honest Broker Newsletter • 3798 implied HN points • 02 Feb 26
  1. A high-profile economic review became hugely influential and helped shape global climate policy and the later rise of “climate risk” in finance.
  2. Its projections of rapidly escalating disaster losses relied on unsupported numbers and misrepresented sources, producing large forecast errors compared with actual losses.
  3. A peer-reviewed critique documented these mistakes but was largely ignored, showing that high-profile scientific errors can persist and continue to affect policy and finance.
Popular Rationalism • 1069 implied HN points • 10 Oct 24
  1. Geoengineering is a real science aimed at fighting climate change. It includes methods like cloud seeding and solar reflection, but it needs full public transparency since it could affect everyone.
  2. There’s a long history of weather manipulation efforts, like Project Cirrus and Project Stormfury. Many of these projects had mixed results, leading to both discoveries and unexpected consequences.
  3. Public engagement is key for geoengineering to be used responsibly. People need to stay informed and participate in discussions about these technologies to ensure decisions are made ethically and transparently.
Odds and Ends of History • 1675 implied HN points • 25 Feb 26
  1. Politicians often pass politically risky decisions to arm's-length bodies to avoid blame, but that can prevent the government from actually delivering its strategy.
  2. Natural England’s statutory role in planning acts like a de facto veto—through SSSIs, nutrient rules and SANG requirements—causing delays and blocking housing projects even when the environmental case is weak.
  3. Abolishing or substantially reforming Natural England would put environmental trade-offs back with elected ministers so politicians must own the consequences, while keeping technical enforcement and data roles separate.
The Crucial Years • 2720 implied HN points • 08 Feb 26
  1. Winter offers special pleasures — the slick freedom of skating and skiing, the hush of fresh snow, and a playful elegance you don’t get in other seasons.
  2. Climate change is eroding winter: Arctic sea ice loss, fewer freezing days, and declining snowpacks are shortening the season and threatening winter landscapes and sports.
  3. People and institutions are pushing back — athletes, activists, businesses and technologists are advocating for climate action and building alternatives like EVs, new batteries, and more solar to help protect winters and public health.
The Honest Broker Newsletter • 1884 implied HN points • 10 Feb 26
  1. Economic development-driven adaptation has been the main force improving climate-sensitive outcomes like crop yields, reduced deaths, and lower damages, even as the climate changes.
  2. Because adaptation’s costs and benefits are local and immediate, it often delivers larger near-term improvements than distant mitigation, and costly mitigation that slows growth can hurt the poor and weaken adaptation.
  3. Mitigation is still necessary to limit long-term warming, but it should focus on measures and R&D that provide immediate local economic benefits so they don’t undermine development and adaptation.
The Crucial Years • 2939 implied HN points • 02 Feb 26
  1. The fossil fuel industry knew climate science but chose deception to protect profits, and that long campaign of denial taught political leaders to treat reality as optional and to lie shamelessly.
  2. Independent journalism and a commitment to the truth are essential; supporting trustworthy reporting and refusing to give up are key defenses against steady political falsehoods.
  3. Despite powerful obstruction, the clean energy transition is making real progress — EV adoption, cheaper renewables, local solar and battery projects, and targeted pressure on a concentrated set of polluters mean the fight is winnable.
Adetokunbo Sees • 104 implied HN points • 15 Mar 26
  1. Companies plan to launch tens of thousands of low‑Earth‑orbit satellites, massively increasing orbital congestion and the number of objects burning up in the atmosphere.
  2. Satellites and rockets release pollutants like alumina, black carbon, and lithium when they burn up or launch, which can harm the ozone layer, warm the upper atmosphere, and accelerate climate change.
  3. Adopting sustainable manufacturing, better launch trajectories, carbon offsets, and stronger regulation could reduce these environmental risks, but without such measures the satellite boom could seriously alter climate, precipitation, and polar ice.
The Honest Broker Newsletter • 3680 implied HN points • 20 Jan 26
  1. The public and policy conversation has shifted quickly from apocalyptic climate messaging to a more pragmatic, energy-realism approach.
  2. Single-issue climate advocates will stay vocal and prominent in elite institutions, but their priorities may be out of step with broader public concerns.
  3. Even with a retreat from catastrophism, climate change still poses uncertain long-term risks, so sensible energy, adaptation, and evidence-based policies remain necessary.
Sustainability by numbers • 502 implied HN points • 05 Mar 26
  1. China uses most of its electricity for industry, while the US uses most of its electricity in homes and commercial services.
  2. China’s total electricity generation has grown rapidly and is much larger in absolute terms than the US, though the US still leads on overall per-person electricity use.
  3. Because China concentrates so much power in industry, its industrial electricity per person is similar to or slightly higher than the US, which points to real industrial capacity that simple per-capita comparisons can hide.
Adetokunbo Sees • 312 implied HN points • 08 Mar 26
  1. Modern combat — from fighter jets and rockets to detonations — releases huge amounts of greenhouse gases and other pollutants during the fighting.
  2. Rebuilding and cleanup after wars add large, long‑lasting emissions and pollution, sometimes rivaling the annual output of whole countries.
  3. Multiple current conflicts together are a significant, often overlooked driver of the climate crisis, so cutting fossil fuel use in military operations could reduce that harm.
The Crucial Years • 6407 implied HN points • 03 Jan 26
  1. Oil’s concentration and value drive conflict and geopolitical control, so reducing dependence on oil would cut a major motive for attacks and imperialism.
  2. Legal and political checks are currently weak against overreach, so solely relying on institutions to prevent aggression is risky.
  3. Decentralized clean energy—like rooftop solar, wind, and EVs with bidirectional charging—can shift power away from fossil-fuel holders and help make peace and energy security more achievable.
Noahpinion • 37000 implied HN points • 23 Aug 25
  1. Europe's resistance to air conditioning might be hurting people's health as rising temperatures lead to more heat-related deaths. Many homes in Europe still lack this technology, even though it could save lives.
  2. The reluctance to adopt air conditioning in Europe is tied to cultural attitudes and historical traditions, making many view it as an unnecessary luxury.
  3. Embracing technology like air conditioning can improve society's well-being and economic status, as seen in countries like Japan and Singapore, which have successfully integrated it into their cultures.
Sustainability by numbers • 575 implied HN points • 03 Mar 26
  1. An interactive tool lets you compare the energy use of different products and activities so you can better judge their relative scale and importance.
  2. The tool was updated after lots of user feedback, with many improvements documented in a changelog, while deliberately leaving out some suggestions to avoid making it too complex.
  3. A major visible change is the addition of rough country-level energy cost comparisons to make results more meaningful, and the tool is available to use and share while remaining open to further (less frequent) feedback.
The Crucial Years • 3537 implied HN points • 22 Jan 26
  1. India looks likely to skip a big coal buildout and scale solar and electrification because new solar is cheaper than running old coal plants. That shift can cut fuel imports, clean city air, and power fast economic growth.
  2. Clean energy and new technologies are gaining ground worldwide — from big solar booms and minigrids to EVs and promising battery and smart-window innovations. That makes energy cheaper, more reliable, and less dependent on imported fossil fuels.
  3. Hostile political choices and cuts to science are raising energy costs and slowing progress at the same time climate impacts like worsening droughts and floods are growing more damaging. That mix makes the clean-energy transition both urgent and geopolitically important.
The Crucial Years • 2471 implied HN points • 27 Jan 26
  1. Big business and financial leaders have largely pulled back from climate leadership after political pushback, but public funds and big investors could still use their financial power to force change.
  2. Divesting from fossil fuels is both a moral choice and a smart financial move, since renewables and batteries are cheaper and funds that shunned fossil stocks have often seen better returns; staying invested has cost taxpayers billions.
  3. Scientists warn the window to avoid dangerous warming is smaller than we thought and tipping points are real, so governments must speed up the clean-energy shift by scaling renewables, storage, and other clean technologies already proving they work.