USA
New EPA chief Gina McCarthy faces tough challenges
Barack Obama’s nominee as Environment Protection Agency chief starts work today – and her inbox is likely to be full of tough choices
US renewable energy use soared in 2012 – report
Federal data from the Lawrence Livermore National Laboratory reveals wind, solar and natural gas steadily displaced coal as energy sources
“Get off the fence” on coal ash, scientist tells US EPA
Leading US scientist says coal ash, toxic substances and power plan emissions should be priority for the next leader of the US Environmental Protection Agency
US and China outline ‘five actions’ to combat climate change
John Kerry says climate will dominate this week’s US-China talks, as cooperation on carbon capture and energy efficiency announced
Wildfires shoot climate warming tar balls into atmosphere
Los Alamos National Laboratory scientists reveal small carbon balls created in wildfires are 10 times as warming as conventional soot
Smart air conditioning could save business $100k a year
Office sensors could save business millions if deployed across USA, scientists at the Pacific Northwest National Laboratory report
What does a Republican-friendly carbon tax look like?
Obama’s climate plans avoid confrontation with Republicans but giving them what they want good be the key to an effective carbon tax
Apple to construct new 20MW farm in Nevada desert
Morning Briefing: Apple is constructing its third solar farm, following the two currently in construction next to its North Carolina data centre
NASA experiment uncovers Arctic climate time bomb
More accurate data on carbon leaking from thawing permafrost uncovers “sleeping climate giant”
Skinny cows and climate change could cost farmers billions
A study predicts wild and domestic cattle will drastically reduce in weight as the climate warms − compromising food security and slashing farmer’s profits
Why I cannot congratulate President Obama on his climate plan
The change in tone may be significant but for these feeling the impacts now, its too little too late, writes Dr Saleemul Huq of the International Institute for Environment and Development (IIED)
Figueres: No country doing enough on climate change
UN climate chief welcomes Obama’s recent policy announcement but warns all nations must do more
Obama Keystone XL caution piles pressure on State Department
President says tar sands pipeline will not be approved if it will increase greenhouse gas emissions as all eyes turn to the State Department
Comment: Obama raised expectations, now he must meet them
The President’s climate change speech ticked a lot of boxes but US will be judged on its actions inside and out of the White House
Obama climate change plan: latest reaction
Latest comment and analysis on President Barack Obama’s new climate strategy from WWF, Norton Rose Fulbright, IIED, Greenpeace & Conservation Hawks
Obama promises to ‘cut carbon pollution’ in new Climate Action Plan
Details of US climate plan revealed with emissions from both new and existing power stations targeted and plans for enough renewables to power 6 million homes
Arnie: Environmentalists should learn from my eco Hummers
Arnold Schwarzenegger says positive messages not guilt are key to selling climate policies
Kerry invites India to join US-China HFC agreement
Secretary of State John Kerry tells audience in New Delhi that action on climate change can boost the country’s development
Skiers face dilemma as California snows recede
“Clear and compelling evidence” shows that winter snows vital for tourism and agriculture are in rapid decline in Southern California
Obama set to reveal new climate change plans on Tuesday
Renewables and R&D set for boost in new US clean energy proposals, with coal power plants facing tough emission restrictions