University of Chicago climate scientist Raymond Pierrehumbert says that humans have moved well beyond the natural swings of global warming in the environment. We have "shocked

Global sea levels could rise nearly 40 inches by the end of the century threatening the Atlantic coast with flooding, according to a recent report

While Chicagoans shiver through some of the coldest weather in years, climate scientists continue to report global temperature increases. Through their layers of scarves many

University of Chicago climate scientist Raymond Pierrehumbert says that humans have moved well beyond the natural swings of global warming in the environment. We have "shocked

If the past 2,000 years are any guide, California could dry out significantly, with or without global warming.  But global warming isn’t helping.