Obama

US President calls for countries to agree to ratcheting mechanism for carbon reduction targets

Microsoft founder urges businesses to cut emissions as he launches multi-billion dollar scheme to boost dozens of low carbon start ups

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

US president gives upbeat speech at APEC conference stressing business case for tackling emissions

Interior Department cancels two future offshore leases in Chukchi and Beaufort seas and will refuse requests from oil companies to renew existing leases

White House confirms latest phase of bi-lateral climate agreement with China will see Beijing launch national cap-and-trade scheme

Boosting renewables and cracking down on coal: the key lessons from the centrepiece of the President's Carbon Action Plan

BusinessGreen runs down the need to know facts from the EPA's new power plant rules

Presidential hopeful makes massive boost to renewable energy generation central plank of ambitious climate action plan

The US President is driving unprecedented action on climate change but could his replacement tear it all down in 2017?