Environmental Protection Minister Tamar Zandberg lauds overall trend in reducing emissions, though suspected carcinogens increased by 1.5%; electric company biggest culprit

Justices say Clean Air Act doesn't give Environmental Protection Agency broad authority to regulate power plants that contribute to global warming, decision belongs to Congress

Carbon dioxide amounts now equal that of Pliocene era some 4 million years ago, when planet was much hotter and south Florida was underwater

World body's meteorological organization warns of 'rising temperatures, more extreme weather, water stress, sea level rise' in latest report