Happy Halloween! Here's a look at Halloween climate extremes for cities across the country.
The Southern Ocean's notoriously strong gales are growing stronger, and that's foreboding news for coastlines everywhere.
Sandy will "be one of the most studied storms" to hit the U.S. Here's what researchers are already learning.
As the mercury keeps rising in Australia, weather records keep falling. Climate change is playing a role.
Arctic sea ice decline has doubled the chances of an extreme cold winter over Europe and Asia.
The European Union plans to reduce its greenhouse gas pollution to 40 percent below 1990 levels by 2030.
Drought is taking its toll on the water system that quenches the thirst of Brazil’s largest city, Sao Paulo.
A new checklist will help San Francisco protect $25 billion worth of infrastructure from rising seas.
Massachusetts and California lead the U.S. in energy efficiency, according to annual ranking.
European Union will decide this week how hard the continent will work to slow global warming.
Discovery of a semi-lifeless glacier in southeastern Iceland creates a new zombie class of frozen rivers of water.
El Niño ups the odds of flooding in some spots, but that information could provide opportunities.
The "odds are good" that 2014 will be the warmest year in the books, fueled by record ocean warmth.
The frost-free season is growing longer across the U.S. overall. Check the trend in your city.
Tornadoes are seeming to cluster together so that there are fewer days with tornadoes, but more tornadoes on the days that do have them.…
All regions of the continental U.S. have seen the frost-free season, defined as the stretch between the last below-32°F reading in the spring…
September 2014 was the warmest September since 1880, updated NASA data shows.
Expansion of Antarctic sea ice heralds ocean changes that could trap heat and accelerate ice sheet melting.
Rising CO2 levels could spell disaster for certain fish species according to recent research.
Cyclones have been quietly costing the world for decades, costs that could grow due to climate change.