ScienceLet's stop being fence sitters and make bold decisions on climate change, urges UN chief The world's governments must step up and be counted in the effort to halt the impacts of climate change, U.N. chief says. He calls for action ahead of climate summit in New York in September.by Jim Algar
ScienceUN chief: 'Climate change is defining issue of our time, urgent action needed.'by Alexander Saltarin
ScienceCarbon dioxide, cause of global warming, hits record high level in atmosphere since existence of mankindby James Maynard
ScienceU.N. Climate change report flooded by interference from governments, reveals expertby Alexander Saltarin
ScienceEarth Day 2014 focuses on need for 'Green Cities,' fight against climate changeby Alexander Saltarin
ScienceAntarctica as warm as California 50 million years ago. Yes, perfect to get that tanby Alexander Saltarin
Business TechApple touts environmental initiatives in Tim Cook-narrated 'Better' videoby Joseph Mayton
WATCH: Runner Spends Year Using Exercise Tracker to Create Elaborate Stick Figure Art on City Streets