Worst Ever: California’s drought crisis hits record level

(Photo: NBC News file)

The newest U.S. Drought Monitor map released Thursday shows that more than half of the state is under an “exceptional drought” level.

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(Source: NBCNews.com)

'Polar vortex' flashback? Weather experts say rare summer cold front on the way

(Photo: NWS Chicago)

Remember last winter’s cold spot, which turned “polar vortex” into a phrase that sent chills through the spines of Americans east of the Mississippi River? Get ready for a flashback. 

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(Source: NBCNews.com)

May was the hottest in recorded history

(Photo: AP)

This was the warmest May since the NOAA started keeping track in 1880, and the second warmest spring ever.

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(Source: NBCNews.com)

Artist shows how climate change could leave cities under water

(GIF via NickolayLamm.com)

The new White House report that issued a dire warning about the nation’s changing climate comes on the heels of another study that illustrated how those changes could leave the world’s largest coastal cities submerged in water.

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(Source: TODAY.com)

American Doomsday: White House warns of climate catastrophes

(Photo: Jim Lo Scalzo / EPA file)

Scorching temperatures, flooded cities, wildfires and changes in the growing season are just some of the hard realities of a changing climate that are beginning to hit Americans directly, says a new White House report.

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(Source: NBCNews.com)

Our year of extremes: Did climate change just hit home?

(Photo: Joe Raedle / Getty Images file)

The dazzling icescape at the top of our planet is mutating into a place that is barely recognizable to those who have studied it for years.

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(Source: NBCNews.com)

Massive U.N. report says climate risks go beyond red alert

(Photo: Mike McMillan / USFS via Reuters file)

Global warming is driving humanity toward a whole new level of many risks, a U.N. scientific panel reports, warning that the wild climate ride has only just begun.

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(Source: NBCNews.com)

Number of Americans who don’t believe in climate change rises

(Photo: Joe Raedle / Getty Images)

The number of Americans who believe global warming isn’t happening has risen to 23 percent, up 7 percentage points since April 2013.

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(Source: NBCNews.com)

This November was the hottest on Earth since 1880

(Photo: NOAA’s National Climactic Data Center)

It’s confirmed: November 2013 was the hottest November on Earth since at least 1880.

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(Source: NBCNews.com)

Colorado floods triggered by convergence of geography and climate, experts say

(Photo: RJ Sangosti / Denver Post)

The torrent of water that gushed over and down the Rocky Mountains late last week resulted from a fateful confluence of geography and weather. While the deluge is unprecedented in the historic record, it may offer a window onto the new normal as the planet continues to warm.

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(Source: NBCNews.com)

Extreme heat waves to quadruple by 2040, study says

The type of heat waves that wilt crops, torch forests — and kill people — are expected to become more frequent and severe over the next 30 years regardless of whether humans curb emissions of the greenhouse gas carbon dioxide, according to a new study.

(Source: NBCNews.com)

Glacier covered with blankets to reduce summer ice-melt

(Photos: Olivier Maire / EPA)

People living near the Rhone glacier in the central Alps of Switzerland have come up with a striking tactic to counter the effects of climate change. Each summer the glacier is protected by blankets to keep ice melt to a minimum, the European Pressphoto Agency reports.  

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(Source: nbcnews.com)

Spring feel chilly? It was — the coldest since 1996

(Graphic: NCDC)

This year’s spring seemed more like a never-ending winter for people in much of the country, and it wasn’t just in their imaginations. The chilly weather was the coldest spring since 1996, the National Climate Data Center (NCDC) said Thursday.

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(Source: nbcnews.com)

Expect a warmer-than-average spring, Weather Service says

(Photo: NOAA)

Although it’s still chilly throughout much of the country, spring will soon turn up the heat.

The majority of the United States will experience above-average temperatures over the next three months, said Laura Furgione, deputy director for the National Weather Service (NWS). Her remarks came during the National Oceanographic and Atmospheric Administration’s spring climate outlook briefing Thursday morning.

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Warming fastest since dawn of civilization, study shows

(Photo: Thomas Bauska / Oregon State University)

Temperatures are rising faster today than they have at any point since at least the end of the last ice age, about 11,000 years ago, according to a new study.

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