Carbon superpowers say they will step up efforts to improve emissions standards in cars, buildings and power plants
President Barack Obama proposes extra support for US communities hit by extreme weather events
US secretary of state and Chinese president Xi Jinping agree to advance cooperative efforts to push climate change on the global agenda
US government touts potential of solar as pricey new plant opens in California, but will have to compete with wind and gas
The majority of Americans want Congress and business to act on climate change, even if it comes with economic costs
Regulators of California’s efforts to cut CO2 emissions say tougher targets, expansion, needed after 2020
House of Representatives to question feasibility of clean coal as Republicans ramp up pressure ahead of midterms
Fight against Keystone XL to intensify after government report says US-Canada pipeline won’t increase emissions
Emissions outsourced to China are floating back over the Pacific to haunt the western states of America
Lifting restrictions on crude oil exports is a ‘new form of climate denial’, say environmental campaigners
Donald Trump and Republicans use sub-zero winter temperatures across the US to mock global warming
Regional Greenhouse Gas Initiative members say cap and trade is cost-effective and efficient way of addressing climate change
Tuesday’s top 5: EPA chief prepares for China visit, Greg Hunt defends carbon price repeal, Canada’s bid to become energy superpower under threat
Divestment campaign kicks off in US capital city as authorities debate moving retirement funds from fossil fuels
US and EU say new agreement must erase old divisions between developed and developing nations – but others disagree
Stanford University reports majority in every state polled wants limits on greenhouse gas emissions
Report says company would take 33rd place in Greenhouse 100 Polluters Index if included, just behind Chevron
The projects located in Southern California and Arizona will power over 17,000 homes
Kyoto Protocol failed because it didn’t get backing of top emitters US and China, so negotiators know a new treaty will have to bring both on board
No silver bullet for tackling climate change, but society needs to accept the urgency to adapt, US scientists say