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It’s So Hot in Phoenix, Planes Can’t Take Off

Planes have been grounded in Phoenix as life-threatening heat descends across the Southwest.

Half of World Could See Deadly Heat Waves By 2100

Deadly heat waves could impact half to 75 percent of the world's population if greenhouse gases aren't curtailed.

May Continues a Ridiculous Warm Streak for the Planet

New NASA data shows this May was the second-hottest May on record.

More Hot Days Across the U.S.

See the trend in hot days in these U.S. cities.

Small Change in Average, Big Change in Extremes

A small increase in average temperature leads to a big increase in extreme heat.

Days Above 100°F: Projections

This is how hot the United States could be in the future.

India’s Punishing Heat Waves More Deadly With Warming

Even the modest rise in global temperatures to date have made India's already sweltering heat waves deadlier.

Dead Zones: Warming Oceans Hold Less Oxygen

Warming waters are decreasing oxygen in the oceans, creating dead zones for marine plants and animals.

As CO2 Goes Up, Ocean Health Goes Down

Excessive carbon emissions are worsening the ocean's health.

Summers Are Getting Hotter

Summers are getting hotter across most of the country.

Climate Change Could Slash Staple Crops

Extreme weather is estimated to cut production of major crops by 23 percent over the next 30 years.

The Race to Understand Black Carbon’s Climate Impact

Fossil fuels we burn affect warming in the Arctic, and solutions begin with understanding how and how much.

Hottest Days Coming Earlier

The first day with summer-like temperatures is happening earlier for most of these cities.

Slow-Freezing Alaska Soil Driving Surge in CO2 Emissions

Northern tundra’s autumn carbon dioxide emissions increased 70 percent between 1975 and 2015.

Warmer Temperatures Drying the Rio Grande

Rising temperatures are causing less of each winter’s snowpack to flow down a major river as water.

U.S. Drought at Lowest Level in Nearly Two Decades

After years of widespread, intense drought, the U.S. is experiencing its smallest drought footprint since 2000.

Swath of States Experiencing Hottest Year to Date

Through April, this year is the hottest on record for several Southern and Ohio Valley states.

Arctic Sea Ice Keeps Scraping the Bottom of the Barrel

The Arctic's astounding transformation continues with another record low month of sea ice.

The U.S. Is on a Historic Streak of Record Highs

For a record-setting 29 months in a row, there have been more record highs than lows.

U.N. Risk Chief: Put a Price on Disasters

Calculating the costs of natural disasters could be a valuable way to recognize the potential for damage.