Chicago Mayor Rahm Emanuel says energy efficiency drive will generate new jobs and boost economic productivity
President says he will use executive powers to curb use of coal, but defends plans to use more gas and oil
US president’s climate ambition faces tough test as mid-term elections and hostile Congress limit room to manouevre in 2014
US President tells Democrat fundraisers emerging economies hold key to addressing climate change
Frequency of most severe El Nino cycle could double, posing severe test for USA, Indonesia and Australia
Yale study reveals slight increase in climate scepticism as Republican Senators try to block emission reduction measures
New York ‘climate risk’ meeting will call on oil majors to evaluate size of carbon reserves that are incompatible with warming world
Over 300,000 residents forced to use bottled water and avoid showers due to widespread contamination of West Virginia river
Obama Administration’s climate credentials questioned as US greenhouse gas levels inch upwards
Thursday’s top five: Obama advisor says more extreme weather on way, China coal faces ‘black outlook’, US electric car sales soar
High carbon prices and strong business engagement praised in report from influential Environmental Defense Fund
New research from Colorado links gas drilling to birth defects as focus grows on industry in USA and Europe
State Department submission to UN highlights how far behind curve country is on meeting emission goals
USA’s Secretary of State visits vulnerable Mekong Delta and promises to support efforts to cope with rising sea levels
Monday’s top 5: Millennials to push low carbon economy, Shanghai smog hides city, Australia’s carbon tax repeal could be “unworkable”
Hurricane Sandy and drought that hit 70% of the country were estimated to have cost the US more than $100bn in financial losses
Secretary of State says all nations need to “take on” challenge posed by global warming, promising support at negotiations
Leaked cable details opposition to loss and damage and stress on voluntary nature of 2015 climate change deal
In an executive order from the White House today, President Obama outlined how the US can prepare itself for the impacts of climate change
Lead climate envoy Todd Stern tells audience in London too much focus on ‘legal form’ could blow hopes of agreement