Carbon Trading

Open letter from 26 leading economists says President should drop US opposition to emissions trading

Joint letters to David Cameron and other European leaders warn scheme poses "intolerable" threat of retaliatory measures

Spectre of a trade war looms large as Beijing reportedly blocks purchase of 10 Airbus A380s as a retaliatory measure

International meeting concludes without agreement on market-based measures

Airlines with a registry account receive almost five million permits to help them comply with EU emissions trading rules

Proposal to deal with surplus of carbon permits will be assessed by parliament and ministers after backing from committee

Energy efficiency directive would withhold permits to help reduce surplus, but final decision rests with ministers

Bipartisan group pens op-ed calling for Congress to revisit carbon trading plan as means of tackling deficit

Economist urges policy makers to ignore Heartland Institute distractions and deliver investor certainty

Brussels sources insist they will not cave in to sabre-rattling at Moscow meeting