Heat Wave

Heat is expected to continue.

A look back at the extreme weather of 2012

Geoengineering is no longer fringe science as the debate shifting from whether it should be done to how.

Amid the hottest year on record in the United States comes new research warning just how deadly heat waves can be.

Record heat is expected once again across the Midwest this week.

The drought wrecking havoc with agriculture has been declared a natural disaster.

After mild relief, another heat wave builds.

After mild relief, another heat wave builds.

Extreme events expected more often in a warming world.

Heat continues to break records. Some mild relief may be in store, however.

The heat wave across the U.S. has broken records nationwide.

And will it end anytime soon?

The devastating heat has already reached historic proportions.

See where it's hot, or not.

Summer temperatures could be warmer than average across much of country this year.

As summer officially begins, dangerous heat is blasting the East.

On the first day of summer, heat advisories have been issued up and down the East Coast.

Last month was the March warmest on record since 1895.