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A Danger Days Update: Extreme Heat Still Surging

A Danger Days Update: Extreme Heat Still Surging

Chances are you’ve never heard the phrase “danger day” when it comes to weather. That’s because they’re rare. You’ll want to get to know it, though, because climate change is about to make them a lot more common over the next 15 years. A danger day is when the combination of heat and humidity (also known as the heat index) make it feel like it’s … Read More

U.S. Cities We Could Lose to the Sea

U.S. Cities We Could Lose to the Sea

Historic carbon emissions have already locked in enough future sea level rise to submerge most of the homes in each of several hundred American towns and cities, according to Climate Central-led research published Monday in Proceedings of the National Academy of Sciences. The animated timeline on this page maps, year by year, how the total number … Read More

Obama Just Created a Carbon Cap-and-Trade Program

Obama Just Created a Carbon Cap-and-Trade Program

As the Obama Administration honed its historic new climate rules affecting power plants, it began thinking about electricity more broadly. It was a shift in perspective that in the end may produce the nation’s newest system for trading pollution. Instead of looking solely at how each state could reduce pollution from its electricity sector, the… Read More

Water Use Declining as Natural Gas Grows

Water Use Declining as Natural Gas Grows

As the U.S. has undergone a rapid and massive shift to natural gas from coal, one benefit has gone almost entirely overlooked: the amount of water needed to cool the nation’s power plants has dropped substantially. The widespread adoption of hydraulic fracturing (fracking) technology has led to dramatically higher natural gas production in the … Read More

U.S. Summers Bringing More and More Heat

U.S. Summers Bringing More and More Heat

It’s officially summer! We have now passed the points that mark the traditional start to summer (Memorial Day), the meteorological start (June 1), and now the astronomical start, or summer solstice (June 21) — so break out those flip-flops and beach towels! Though June, July, and August usually bring the heat, for parts of the country spring felt … Read More

Will The West Ever Be Able To Live With Fire?

Will The West Ever Be Able To Live With Fire?

Scientific progress and more than a century of living with wildfire have boosted Western resilience to the threat. But improvements in how wildfire dangers have been managed have fallen far short of the reimaginations of landscapes that are needed. “We’ve made good progress, but not good enough,” Jan van Wagtendonk, a retired Yosemite National Par… Read More

Across U.S., Heaviest Downpours On The Rise

Across U.S., Heaviest Downpours On The Rise

Record-breaking rain across Texas and Oklahoma this week caused widespread flooding, the likes of which the region has rarely, if ever, seen. For seven locations there, May 2015 has seen the most rain of any month ever recorded, with five days to go and the rain still coming. While rainfall in the region is consistent with the emerging El Niño, the… Read More

Since First Earth Day, U.S. Temps Have Been On the Rise

Since First Earth Day, U.S. Temps Have Been On the Rise

It’s been 45 years since the first Earth Day was celebrated in 1970, and since that time, average temperatures have been rising across the U.S. This Climate Central interactive graphic shows a state-by-state analysis of those temperature trends. Average temperatures across most of the continental U.S. have been rising gradually for more than a… Read More