We're likely living in a post-400 ppm world. Here's what it means to scientists that study the climate.
Island nations and others are desperate to keep global warming to less than 1.5°C, or 2.7°F.
The U.K. plans to close all of its coal-fired power plants by 2025 to address climate change.
States at Risk: America’s Preparedness Report Card summarizes the changing nature of key threats and corresponding levels of preparedness in…
El Niño hit a weekly temperature record and is likely to keep upping the heat globally.
NASA is using models and satellites to improve our understanding of how CO2 moves around the globe.
Glaciers in northeast Greenland that were once stable have undergone rapid melt and retreat in recent years.
Our analysis details the implications of different warming scenarios for every coastal nation and megacity on the planet.
Paired images showing how iconic global locations could fare under scenarios of business as usual vs. sharp clean energy transition.
Catch this week's topsy-turvy climate and weather news on the Shum Show.
Hawaii's active hurricane streak has a climate change tie and could be a sign of things to come.
U.N. negotiators will have a lot of disputes to worry about in Paris — climate science is not one of them.
New York State is anticipating up to 6 feet of sea level rise on its coastlines by 2100.
The region's disasters claimed half a million lives over the decade, and $523 billion in economic damage.
It's Halloween, and Greta Shum takes you through the "chilling" weather extremes.
World governments are cooperating as they work to slip a leash around global warming, but more is needed.
The Gulf of Maine is one of the fastest warming places in the world and cod are suffering.
Sea level rise is driving Charleston's king tides higher and higher and will make nuisance flooding routine.
Storm surge-related power outages are likely to become more commonplace along the East Coast.
The city’s growing population means a growing demand for water, and the land is slowly subsiding to the demand.