Record-Breaking Heat: Is Global Warming to Blame

The dog days of summer are here, and many people are feeling the heat. From California to southern Europe, heat records are breaking.

Is this the result of global warming–the rise in Earth’s temperature fueled by increased greenhouse gases in the atmosphere?

“You can’t point your finger and say, This is caused by global warming,” said Kevin Trenberth, a climate scientist with the National Center for Atmospheric Research in Boulder, Colorado.