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238 resultsHigh-income countries have larger material footprints because their high levels of consumption, extensive infrastructure, and consumerist lifestyles require vast amounts of raw materials, often…
Energy efficiency uses technology to perform the same tasks with less energy, while energy conservation involves behavioral changes to reduce energy use. Both are…
Fossil fuel subsidies are government actions that lower the cost of fossil fuel production or consumption, including direct payments, tax breaks, and price controls.…
Persistent, Bioaccumulative and Toxic (PBT) chemicals are substances that resist degradation, accumulate in living organisms, and cause harmful effects. They pose long-term risks to…
Planetary boundaries are not independent; they form a tightly coupled system. Climate change and biosphere integrity are the most central, mediating interactions among boundaries…
A large multicountry observational study found that the elderly, people with cardiovascular or respiratory diseases, and those living in urban areas face the highest…
A long-term cohort study of over 100,000 women found that exposure to fine particulate matter (PM2.5) and nitrogen dioxide (NO2) was associated with increased…
Marine heatwaves—prolonged periods of unusually warm ocean temperatures—are increasing in frequency, intensity, and duration due to human-caused climate change. These events disrupt marine ecosystems,…
Coral reef tipping points occur when cumulative stress—especially from marine heatwaves—pushes a reef ecosystem past a critical threshold, triggering rapid, often irreversible degradation such…
Eutrophication is the process by which a water body becomes enriched with nutrients, leading to excessive plant and algal growth. A harmful algal bloom…
