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Number of ‘Hot Days’ Are on the Rise: See Your City

“Hot days” are likely to happen much more often if we continue to pump CO2 into the atmosphere.

This Would be the Ultimate ‘Sunburn’ for Your Summer

One physicist says there's a 12 percent chance a major solar storm could hit the Earth in the next 10 years.

El Niño in 90 Seconds

So who or what is this El Nino that meteorologists warn may affect our weather in a big way?

Why Do We Care So Much About El Niño?

The obsessive attention to the state of the latest El Niño comes from the major global impacts it can have.

6 Degrees: Costly Weather, Drought, Fires and the Heat

Extreme weather dominates the top climate stories that happened this week and there's a quiz too.

As Arctic Ice Melts, Polar Bears Find a New Menu

As Arctic ice, and access to seals living there, disappears, polar bears adapt to a land-based diet.

Picture This: Twin Waterspouts and Amazing Aurora

In this week's Picture This, we've got an amazing aurora Vine, a typhoon's mean eye, and twin waterspouts.

What’s Behind Super Typhoon’s Rapid Intensification?

Rammasun looked ragged after its trip over the Philippines, but became a Super Typhoon before hitting China.

Planet is Running a Temp: State of the Climate ‘Check-Up’

A new report -- the latest checkup on the health of the global climate system -- says the planet is running a temperature.

Fires in NW Territories in Line with ‘Unprecedented’ Burn

The wildfires searing the Northwest Territories could be a harbinger of things to come in a warming world.

Weather Disasters Have Cost the Globe $2.4 Trillion

A new report shows just how costly climate- and weather-related disasters are across the globe.

Six Months In and Sizzling California Sets Record

January-June 2014 was the warmest first half to a year in California, helping fuel the state's drought.

Polar Vortex or Not, Cooler Temps Invade Eastern U.S.

At the hottest point of the summer, a collision of air masses has sent cooler temps invading the eastern U.S.

Interactive: 1,001 Blistering Future Summers

Models show summers are going to keep warming as emissions continue. See what this will warming feel like.

Military Bases Face Hurdles in Climate Change Adaptation

The military is already looking at its climate change vulnerabilities but more needs to be done.

Another Quiet Season As Tornado Peak Passes

2014 was on a record-low pace for tornadoes. A busy June changed that, but we're still below normal.

Long Wait Continues as El Niño Lagging

Though conditions are still favorable for El Niño to develop, another month passes with no official declaration.

6 Degrees: Hot Summers, a Few Tornadoes & Cows, Pigs

Summers get hotter, tornado season fizzles, cow manure worsens methane, plan to cut CO2 and more.

Genes Help Plants Handle Rising CO2 Levels

Discovery can give scientists new tools to engineer crops to deal with droughts and high temps.

Picture This: Gnarly Neoguri, Double Rainbows, No LeBron

Neoguri was the top weather story of the week, but storms led to spectacular photos elsewhere in the world.

Gallery

Tripod Fire Satellite View The August 2006 Tripod Complex Fire burned some 180,000 acres of beetle-damaged forest in central Washington State.