Claims

By using the Three Gorges Dam instead of coal-based power plants, China avoided using 31.7 million tons of coal and successfully eliminated 86.7 million tons of carbon dioxide, 20,600 tons of sulfur dioxide, and 19,000 tons of nitrogen oxide.

Since the Three Gorges Dam's construction, landslides have become frequent in the surrounding area, resulting in millions of dollars in damages.

The Yangtze River is renowned for its rich biodiversity, but several plant and animal species have become endangered since the Three Gorges Dam's construction, with the dam possibly responsible for the extinction of the Chinese river dolphin and the Chinese paddlefish.

Poor water quality has become a significant environmental problem in the Three Gorges Dam reservoir because treatment plants should have been built to address industrial and city waste, but none have been constructed.

Many companies are doing better environmentally today than they were two or three decades ago, suggesting that radical transparency and multiple stakeholders (government, companies, NGOs, citizens) working simultaneously produces environmental improvements even if motivated by diverse interests.

Greenwashing and corporate environmental schemes like those in Greece after forest fires demonstrate that market-based green growth is being co-opted for profit extraction—large corporations offered locals 20 euros per day while stripping rights and planning to replant with genetically modified trees to harvest biomass for green energy, converting forests into fifth domes controlled by Monsanto and Bayer

Green growth and environmental solutions require moving beyond tunnel vision economic models and balance sheets that treat the environment as an externality or footprint; companies should measure and include environmental costs in valuations using impact-weighted accounting and environmental social governance accounting

Desalination efforts globally produce over 37 billion gallons of brine per day, with most brine emptied back into the ocean where its higher salt concentration can sink to the seafloor and harm marine life and plants found there

Desalination facility water intake operations can destroy local marine life by drawing in millions of gallons of seawater daily

Poseidon Water argues that California regulations provide sufficient environmental protection and numerous studies show that salinity increases from brine disposal will not harm marine life

While California has robust regulations for brine disposal in place, it is unclear whether the desalination industry globally is taking brine disposal seriously enough, with current disposal methods similar to industrial waste water disposal practices from 40-50 years ago

Toxicity (from plastics, pesticides, endocrine disruptors) is 'more dangerous, moving faster, and totally avoided' compared to climate change, with 'no one is processing the data,' making it the true existential risk that receives far less attention than climate.

Latest research reveals plastic pollution is ubiquitous—found at the deepest ocean depths—and if current trends continue, the amount of plastic entering the environment annually will nearly triple over the next two decades.

On the Aldabra Atoll (off Africa's east coast), researchers collected 25 tons of trash last year, with nearly 25% of it being flip-flops, illustrating the concentration of this specific waste type in isolated marine ecosystems.

Even if every 3.4 million Americans who died last year had been buried in reef balls, it would still only replace about one square mile of Florida's shrinking reefs, illustrating the massive scale gap between individual green burial adoption and environmental restoration.

Accra, Ghana hosts one of the world's largest second-hand clothing markets (Kantamanto), where 15 million garments pass through weekly; nearly half end up in landfills, are burned, or swept into waterways, illustrating how wealthy countries export textile waste to developing nations.

IKEA is the world's largest consumer of wood, responsible for cutting down a tree every second; the company claims to use nearly 100% FSC-certified (sustainably harvested) wood, but investigations by Earth Site alleged that nearly half of IKEA's wood from Eastern Europe is logged illegally.

Sweden's waste management success is so efficient that the country has imported trash from other nations to keep its waste-to-energy facilities operating at capacity, illustrating both the effectiveness of infrastructure and the paradox of exporting waste globally.

Goodwill and Salvation Army donation surges in the U.S. (2020) overwhelmed stores and created $1 million trash bills to dispose of excess items, illustrating that even charitable second-hand channels can become saturated by donation volume.

43 states in the U.S. have documented illnesses or deaths in humans or animals caused by freshwater harmful algal blooms, and satellite imagery shows bloom intensity increasing on lakes on four continents since the 1980s.

The average American spends over $1,800 annually on new clothing and throws away 200 t-shirt equivalents per year in textile waste, making Americans major contributors to global textile waste despite representing a small fraction of the global population.

Germany's CO2 emissions are through the roof compared to France due to lack of nuclear power; France can produce cheap nuclear but Germany complains about having to buy French nuclear power in summer when river levels are too low for cooling, creating hypocritical energy policy.

Environmental factors like pesticides and other chemical pollutants may have dramatic impacts on human fertility and are not adequately appreciated; reduced population would allow elimination of such toxins, but the alternative (massive population using agricultural intensification) requires ubiquitous pesticide use.

With a lower global population (2 billion), we can have a clean world without relying on pesticides and pollutants to support 10 billion, and most environmental damage derives from population density and agricultural chemicals rather than absolute population

Environmental factors may have dramatic impacts on fertility that are not well understood, including pesticides and chemical products used to support 8-10 billion people, making fertility decline potentially driven by environmental toxins rather than pure choice

LA went from being coated in smog in the 1980s to having clean air today while becoming richer and bigger, proving that growth and environmental improvement are compatible when driven by technological progress rather than de-growth politics.

Climate change is manageable on the time scale of depopulation because decarbonization can occur within decades, whereas population decline takes centuries; by the time a child born today reaches reproductive age, carbon solutions should be largely implemented.

Particle air pollution in China fell by approximately half over the decade 2013–2023, despite the population growing by 50 million people over the same period, demonstrating that environmental improvement is driven by policy and behavioral change, not by population reduction.

Second-growth forests now coat North America in a manner unseen for 100-200 years, providing abundant timber supplies; the idea that scarcity will inhabit our future is 'deeply misleading'.

Khosla's cement company captures CO2 from production and converts it to carbonates, yielding more cement output from the same limestone input at lower per-ton cost, demonstrating that environmental and economic optimization can be aligned.

The UK achieved 3 times the economic prosperity per ton of CO2 in 2020 compared to 1990, representing significant decoupling of growth from emissions.

Mike transitioned from 20 years working as an urban designer for real estate systems despite considering himself a sustainability consultant, realizing that green building technologies cannot be manufactured without fossil fuels.

Scaling back and reducing energy use while meeting needs with decentralized, planned, and careful renewable energy use might be physically possible, but scaling the current system 10 times larger with renewables enters the realm of fantasy.

Nations are ecologically dependent, not independent—India, for example, is powerful politically and militarily but is not an independent nation ecologically because it depends on what other countries do; therefore, even good climate policies adopted only by India (or any single nation) will fail to save Mumbai or prevent ecological disaster without global cooperation.

Humans have proven to be an ecological serial killer responsible for the extinction of numerous animals, plants, and organisms, and now face danger to their own species' survival and that of much of life on Earth through climate change and ecological collapse.

Climate change and ecological collapse are a present reality already happening (unlike nuclear war which is a future potential), and if current trends continue, it may be impossible to live in Mumbai in 50 years either because the Indian Ocean will rise and swallow the city or because it will be so hot that no one could live there, at least not during March, April, and May.

The Volkswagen study's diesel baseline is fixed by diesel chemistry but will not change; the EV carbon line will change based on grid carbon intensity, but larger modern batteries than modeled in the study mean actual manufacturing emissions are ~25 tons for typical Norwegian-driven EVs.

The concern that fewer people mean fewer demands on resources (fish, farmland, fossil fuels) and thus less climate change provides an ecological argument for depopulation, but human ingenuity—not depopulation—is the key to saving the planet.

Wealthy nations have the means and political will to both protect the environment and maintain economic growth; the wealthiest nations have done the most to clean up their environment in the last decade because they can afford it, and this gives hope to the environmental movement.

The biosphere is currently supporting nearly 8 billion people, far exceeding the planet's biological carrying capacity of approximately 5 million people, and is experiencing exponential expansion in urbanization and resource consumption (the 'Great Acceleration').

Eating Less Meat Is the Highest-Leverage Individual Action

For individuals facing large global issues like climate change, eating less meat (not necessarily full vegetarianism) is a phenomenally high-leverage action because it simultaneously serves ethical, health, and environmental goals, with quantifiable impacts on water consumption and forest preservation.

Beef Industry Is the Top Driver of Amazon Deforestation

The biggest driver of Amazon deforestation is not palm oil but, by an order of magnitude, feeding the beef industry (including soy grown for cattle feed and dairy), and nothing comes close to beef on an order of magnitude for water consumption and forest loss.

Foundations for Nature Recovery Now Within Grasp

For the entire history of the modern environmental movement, nature has been in steady decline and conservation has only ever managed to slow that decline; but just as we approach the crux of decisions on nature's future, we are beginning to establish the foundations for a real recovery of nature that is within our grasp in our lifetime or our children's, though it is not inevitable and could still be missed.

Urban Land Footprint Is About 5-7% of Earth

Urban environments currently cover roughly 5% of the Earth's land surface, likely rising to about 7% in coming years, so even a future where 10-20% of land hosts most of the population could be a stable equilibrium leaving 80% for nature recovery and agriculture.

City Dwellers Use Far Less Per Capita Than Suburbanites

For equal wealth, people in dense urban environments use far fewer resources than suburban dwellers; the average New Yorker uses 74% less water, 35% less electricity, and 45% less municipal solid waste per capita than the average American—not because they are morally superior but because of how density works.

Phase Transition to a New Human-Nature Equilibrium

Rather than human population growing exponentially until human biomass exceeds the mass of the Earth, we may be undergoing a phase transition to a new equilibrium with far more people but concentrated in urban environments, allowing a great deal of nature to be sustained and even recover.

Conserved Species Will Become Source Sites for Nature Renaissance

If we succeed in getting iconic species and key forests through the developmental bottleneck, they will not merely survive in 100 years but become the source sites for a renaissance of nature, funded and advocated for by the peoples of those countries—just as the American bison recovered from a few hundred to hundreds of thousands while the passenger pigeon was lost forever.

Bangalore Middle Class Now Advocates for Nature

Returning to Bangalore 20 years after finding only depressing remnant pockets of wildlife surrounded by poverty, Walston found the city had become one of the largest markets for Nikon zoom lenses because the new urban middle class now visit, pay for, advocate for, and vote for nature, forcing conservationists to double their tiger-population ambitions.

Brown-to-Green Environmental Transition

Environmental movements emerge through a predictable transition: people move to cities and create wealth but suffer from pollution (the 'brown' environment); those who benefited then advocate against that pollution, and as the movement grows it spreads 'up into the green,' demanding nature protection.

Stable Urban Future Need Not Save Nature

It is entirely possible to stabilize the world at 12 billion people, urbanized, connected, and out of extreme poverty, and yet still destroy nature, so achieving population and poverty goals does not guarantee preservation of nature.