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West Nile Crippling El Pasoans, Rising Temperatures Play Role

Most U.S. cities have experienced an increase in the average number of mosquito disease danger days each year. El Paso's increase was larger t…

U.S. Faces a Rise in Mosquito ‘Disease Danger Days’

Climate change is causing a change in location of disease-carrying mosquitoes as the world warms, likely leading to a significant public healt…

Little League, Big Heat

The Little League World Series is heating up. See how much hotter summers are getting in Williamsport, Pennsylvania.

Longer Heat Streaks

The number of consecutive hot summer days, or heat streaks, is increasing in much of the U.S.

Extremely Hot Days on the Rise

The number of extremely hot summer days is increasing in much of the U.S., and with it, the risk of heat-related illness.

2018 Global Heat So Far

Just like the past four years, 2018 is on pace to be one of the hottest years globally.

2018 U.S. Temps: State Rankings Through June

Halfway through 2018, the U.S. is having its 14th warmest year on record, with the Southwest leading the way.

Air Conditioning Costs Rise With Arizona’s Heat

Air conditioning is becoming more vital as temperatures rise, pushing up utility bills and putting comfortable levels of cooling out of the re…

Report: The High Cost of Hot

As additional carbon pollution continues to trap more and more heat in the atmosphere, the higher temperatures that result can come with a hef…

Cooling Demand is Increasing in the U.S.

Summers are getting hotter and this is coming with a cost — cooling demand.

More Warm Nights Across the U.S.

See how the number of warm summer nights is trending in these cities.

Summer Days Are Getting Hotter

Summer is the season with the most obvious climate change impact — extreme heat.

Climate Change on the Golf Course

Golf courses are adapting to climate change by researching, developing, and installing turfgrasses that are more tolerant of extremes.

Rising Seas Could Swell Arizona’s Population

Arizona's low living costs and friendly culture make it an appealing state in which to settle, which could drive up its population as sea-leve…

Global Conveyer Belt: Ocean Current Slowing

The global ocean conveyor belt is slowing down, impacting climate, sea levels and marine life.

New Normal: Temperatures Are Trending Up Across U.S.

The 30-year average temperature, known as the meteorological normal, is rising in most locations in the U.S.

Summer Minimum & Maximum Temperatures in the U.S.

See the trends in minimum and maximum summer temperatures on this map.

Climate Change Poses Risk to Hummingbirds, an Important Pollinator

A family of key pollinators— hummingbirds — are at risk from climate change.

Weather Extremes: Heat Waves

Heat waves cause more than just sweat — they can be deadly.

Projected Cherry Blossom Bloom Dates in a Warming World

Before the end of this century, the cherry blossoms in Washington, D.C. may bloom a month earlier on average than they do today.