In an interview on a Philadelphia radio show Monday, Republican presidential hopeful Rick Santorum criticized the pope’s vocal stance on climate change and the environment.
UN climate change chief Christiana Figueres is a long distance runner and constant traveler who calls wherever she is "home." Here is a thumbnail profile.
How UN climate change chief Christiana Figueres became a fierce crusader to lower Earth's thermostat. A visceral connection to the planet – from the now-extinct golden toads of her childhood in the Costa Rican jungle to shrinking glaciers – moves her to tears.
Unsafe levels of toxins in drinking water in northwest Ohio are linked to algae blooms in Lake Erie. The blooms are fed by agricultural runoff, but that's not the full story.