When the Glacier National Park was established in 1910, it had 150 glaciers. This stunning collection drew tourists from all over America. Today there are just 25, and they are shrunken remnants of their former selves.

Mr. Will not withstanding, climate change easily has as much relevance to our daily lives as taxes, jobs, and health care (and is directly connected to them).

The warmth across the United States was widespread and intense, especially across the eastern two-thirds of the nation. Many states recorded their warmest March in the 118 years of such records, and it was the warmest March on record for the contiguous United States.

* Warming may have "irreversible impact" * U.S. tornado season one of the worst on record * Arctic sea ice volume at rec...

Every 10 years NOAA scientists calculate average temperatures and precipitation from thousands of U.S. locations. These "new normals" indicate how a changing climate may affect everything from energy bills to crops to insurance premiums.

What made this month unusual wasn't only the hot days, but rather the hot nights.

CHICAGO (Reuters) - A searing heat wave in the central and southern United States has killed at least 22 people this week, and forecasters Wednesd...

"Is this global warming?" "Is climate change to blame?" "Is the weather getting worse?" These are big -- almost existential -- questions. I suspect they are a polite way of asking, "Is this our fault?"

2010 has been dominated by extreme natural phenomena, becoming known as the year of 'global weirding.' Heat waves are just one of the many dramatic f...

If Russia's current heatwave being the worst in 1000 years and doubling the daily death rate in Moscow wasn't enough, check out this sweaty stat: Acco...