Dec 8, 2025 · EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.

Sep 3, 2024 · Top nature and climate stories: UN issues SOS on rising sea level in the Pacific; Lego to remove oil from plastic bricks; Risk of megatsunamis grows.

Jan 11, 2024 · In its annual Global Risk Report, the World Economic Forum named 3 key climate risks as top global challenges: urgent action is needed to combat them. Extreme weather events, critical …

Nov 5, 2025 · Our Current Understanding of the Human Health and Environmental Risks of PFAS What EPA is Doing Learn what EPA is doing to address PFAS.

Sep 25, 2025 · Despite the dramatic progress to date, air pollution continues to threaten Americans’ health and welfare. The main obstacles are climate change, conventional air pollution, and ozone …

Jan 15, 2025 · State-based armed conflict emerges as the top immediate risk for 2025, identified by nearly a quarter of respondents, reflecting heightened geopolitical tensions and fragmentation …

Feb 25, 2025 · This weekly round-up contains the key nature and climate news from the past week. Top nature and climate news: Glaciers melting at record rates; Asia experiences big losses to extreme …

Dec 13, 2025 · Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.

Oct 8, 2025 · Overview of EPA's law and regulatory information, including complying with and enforcing environmental regulations.

Jul 2, 2025 · Challenges facing the San Francisco Bay Delta Watershed, including population growth, increasing water demand, water exports, loss of habitat, climate change, and water pollution.