Policy

White House investigation blames poor management and lack of government authority for Gulf of Mexico oil disaster

New report calls for stricter rules on liability and compensation to avoid taxpayers footing the bill for a deepwater oil disaster

Government imposes ban on non-biodegradable plastic bags from 1 January

Texas secures temporary block on EPA efforts to regulate greenhouse gas emissions

Newly elected president uses inauguration address to promise continuation of forest protection and expansion of clean energy

State uses legislative powers to set demanding emission reduction target

Industry urges government to approve offshore wind farms trapped in planning system or risk derailing Round 3 projects

Plans to impose emission standards on new power plants could face delay

BP's name was dragged through the mud, Cancun stepped back from the brink, and the low carbon economy quietly went about its business

We run down the most popular stories from an eventful 12 months for the green economy