YMCA campers climb a sand dune in Coronado, Calif., in July. Campers must be bused to various beaches due to Imperial Beach being closed because of raw sewage and chemical pollution. (Luke Johnson / ...

The effects of air pollution on kids "should have parents up in arms" to force changes in air pollution regulations, a reader said. Experts say children exposed to high air pollution levels can lose ...

The ocean is the lifeblood of our planet—producing over half of the world’s oxygen, regulating global temperatures, and supporting millions of species. Yet today, marine ecosystems are under severe ...