A picture taken on December 11, 2015 shows banners with messages related to global warming attached to an Eiffel Tower made of bistro chairs at the venue of the United Nations conference on climate change COP21 in Le Bourget, on the outskirts of Paris, on December 11, 2015. | Miguel Medina/AFP/Getty
First came the agreement. Now comes the litigation...Read more
Barack Obama speaks to reporters in Seward, Alaska, in September 2015 where he used the state’s glorious but changing landscape as an urgent call to action on climate change. Photograph: Andrew Harnik/AP
Tom Steyer calls on president to seize opportunity to explain his actions on the environment and convince Americans that they must be irrevocable...Read more
A group of 24 geoscientists on Thursday released a bracing assessment, suggesting that humans have altered the Earth so extensively that the consequences will be detectable in current and future geological records. They therefore suggest that we should consider the Earth to have moved into a new geologic epoch, the “Anthropocene,” sometime circa 1945-1964...
Is the era of climate science denial over? A new study suggests not. Photograph: Torsten Blackwood/AFP/Getty Images
Conservative thinktanks in the US engaging in climate change have increased their attacks on science in recent years, a study of 16,000 documents finds.Read more
Crews from SoCalGas and outside experts work on a relief well at the Aliso Canyon facility above the Porter Ranch area of Los Angeles, Wednesday, Dec. 9. 2015.
The Porter Ranch neighborhood of Los Angeles is officially in a state of emergency, according to a declaration by California Gov. Jerry Brown on Wednesday...Read more
The success or failure of a farming operation depends hugely on the vagaries of weather and climate. For a farmer, a single intense rain event or prolonged dry period can mean a year of lost crops and income...
California Gov. Jerry Brown has found a sweet spot in climate-change communication...Read more
High temperatures are bleaching corals, such as this bent sea rod off Florida.
Credit: U.S. Geological Survey/Flickr
Cyclical changes in the Pacific Ocean have thrown earth’s surface into what may be an unprecedented warming spurt, following a global warming slowdown that lasted about 15 years.