A new analysis of air quality data from the past 70 years shows that Canada’s record wildfire smoke in 2023 is part of a broader, continent-wide trend toward smokier skies across North America.
With Planning, Birds and Floating Solar Can Coexist
Solar panels on bodies of water in the northeastern U.S. might generate renewable energy but could also carry risks for birds, especially water birds.
New Data Show Reduced Overall PFAS Exposures in Subarctic Ocean
PFAS, or per- or polyfluoroalkyl substances, are ubiquitous in modern life. First produced at the end of World War II, these chemicals are in everything from furniture and cosmetics to food packaging, non-stick pans and clothing.
Sea Levels Are Rising—But in Greenland, They Will Fall
Even as global warming causes sea levels to rise worldwide, sea levels around Greenland will likely drop, according to a new paper in Nature Communications.
In Polar Regions, Microbes are Influencing Climate Change as Frozen Ecosystems Thaw, McGill Review Finds
Microbes across Earth’s coldest regions are becoming more active as glaciers, permafrost and sea ice thaw, accelerating carbon release and potentially amplifying climate change, according to a new international review from McGill University.
40 Years of Tracking Trees Reveals How Global Change Is Impacting Amazon and Andean Forest Diversity
New research published in Nature Ecology and Evolution reveals significant recent shifts in tree diversity among the tropical forests of the Andes and Amazon, driven by global change.
Higher Costs for Green‑Hydrogen Transport in the Nordics
Green hydrogen produced using solar and wind power would be cheaper to produce at more southerly latitudes than in the Nordic region.
Hubble Observes Ghostly Cloud Alive with Star Formation
While this eerie NASA Hubble Space Telescope image may look ghostly, it’s actually full of new life.
After L.A. Fires Receded, Indoor Air Pollution Grew, Study Finds
Even after the disastrous L.A. wildfires abated last year, the danger from smoke persisted for many people living nearby.
Wood Burning in Homes Drives Dangerous Air Pollution in Winter
Thousands of U.S. deaths per year linked to particulate matter from wood smoke.