Learn about the pink fire retardants used in L.A. wildfires, their composition, safety concerns, and impact on health and the environment.
Read moreWildfire smoke contributes to 675,000 premature deaths annually, posing growing health threats in a warming world and undermining pollution control efforts.
Read moreDemocrats express deep pessimism about electing a woman president, as a new poll reveals strong feelings of gloom and stress within the party ahead of leadership elections.
Read moreWildfire smoke continues to affect air quality in Southern California, leading to health advisories and evacuations. Residents seek cleaner air this weekend.
Read moreStabilization efforts include filling a Pennsylvania sinkhole with grout after Elizabeth Pollard's tragic fall led to her death.
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