Their early findings suggest that wildfire smoke is broadly and especially toxic. Burning trees, soil, and vehicles can throw ...

California legislative staffers and environmental advocates took flight Tuesday to get a rare aerial view of watershed ...

NEW YORK — The global switch to renewable energy has passed a “positive tipping point” where solar and wind power will become ...

IT’S A ONE-TO-ONE EQUATION. One metric ton of carbon dioxide can be reduced from the earth’s atmosphere by 2030 for every philanthropic dollar spent on ...