A 1,000-year temperature record shows unprecedented warming in the Pacific Northwest, and new modeling predicts the likelihood of future heat waves in the decades to come.
Health & Ecosystems
Posted inFeatures
The Mental Toll of Climate Change
Researchers are more quickly acknowledging the many ways in which the global climate crisis is affecting our mental health.
Posted inNews
EPA Air Pollution Proposal Stirs Debate
The agency’s proposal to tighten standards for small-particulate pollution has prompted opposing calls for tighter and looser regulations.
Posted inNews
Hypoxia Affects One in Eight Rivers Worldwide
A global study found dangerously low levels of dissolved oxygen in rivers around the world. The true prevalence of hypoxia is probably even higher.
Posted inNews
Cities Are Rethinking What Kinds of Trees They’re Planting
U.S. cities are losing some 36 million trees every year, but hardier species can restore their canopies.
Posted inNews
Ten Rivers Facing Pollution, Development, and Climate Change—And Policies That Can Help
An annual report highlights 10 waterways that have arrived at forks: where public support could determine whether they receive protection.
Posted inNews
Wildfire Smoke Destroys Ozone
Smoke aerosols from large wildfires are the perfect reaction surface for chlorine chemicals, speeding their transformation from ozone-friendly forms to reactive ones.
Posted inEditors' Highlights
Analyzing Sources of Pollution in the Great Lakes
Understanding how agriculture and land use affect nutrient flows and concentrations in the vast area of the Great Lakes is an essential step to developing sustainable management strategies.
Posted inENGAGE, News
Spring and Sewage Are in the Air Near San Diego
Sea spray can transport sewage-contaminated waters inland, potentially exposing those living kilometers from the beach.
Posted inNews
The Western Great Basin Has an Arsenic Problem—Blame Its Geology
A new study links geological factors such as faulting and geothermal activity to an elevated risk of arsenic contamination in private wells across the Great Basin.