Lake Mead: Drought-stricken reservoir near Vegas hits new lowest level since 1930s

The water level of Lake Mead, which was created in the 1930s with the completion of the Hoover Dam, continues to fall. It has dropped 180 feet since 1983.

Show Your Stripes Day: How a colorful graphic raises awareness of climate change

Climate Central has created "Warming Stripes" graphics for 179 cities, 49 states and the globe that include available data up to 2021. Here's how you can find one for your city.

Carbon dioxide levels in atmosphere surpass key milestone

Climate scientists say it's "like watching a train barrel down the track towards you in slow motion. It’s terrifying."

Hotter nights due to climate change will cost us sleep, study suggests

By the year 2099, hotter “suboptimal temperatures” may reduce sleep by 50 to 58 hours per person each year, according to a new study of adults from around the world.

Cleaner air leads to more hurricanes in the Atlantic, study finds

A new study links how many hurricanes form worldwide to air pollution levels. Wednesday's study from the National Oceanic and Atmospheric Administration says cleaner air in Europe and the United States is helping trigger a dramatic increase in the number of Atlantic hurricanes.

April CO2 levels were the highest in recorded human history, data shows

The first time Earth reached a record average for CO2 concentrations in the atmosphere was in 2015 and the levels continue to grow every year.