US Senate

US Secretary of State nominee and former Exxon CEO Rex Tillerson faces questions on climate change stance in Senate confirmation hearing

Major energy reform bill promising new energy efficiency and grid upgrade programmes under threat, as Democrats seek aid package for Flint crisis

Senators demand Congressional vote on any UN climate deal and threaten to block $3bn in climate aid

Booming US solar sector expected to receive extra boost as President announces measures to increase access and promote jobs and training

Senators promise that all night debate on climate change will be followed by renewed push to eventually deliver Congressional action

Move heaps pressure on government and industry to come up with a global solution to avoid an all-out trade war

Brussels vows to stand firm despite Senate hearing highlighting bipartisan opposition to charging airlines for emissions

Republican efforts to block US airlines' involvement in EU emissions trading reach the Senate

Senate and House Democrats write to supercommittee urging end to oil industry tax breaks

Bi-partisan deal aims to end tax breaks while extending support for cellulosic ethanol