All eyes on Obama's State of the Union address as administration's "climate tzar" steps down
Boris Johnson warns dirty lorries and vans they have less than a year to comply with stringent emissions standards
E15 gains approval for almost two-thirds of US cars despite auto industry opposition
Energy Secretary to propose increase in liabilities cap nuclear power operators face in the event of an accident
New analysis of REDD+ argues that an overarching focus on cutting carbon could damage forest communities
Who said what in the world of green business this week?
This week the government moved forward with a localism bill that threatens to derail renewables development – but it is not the only anti-green policy being pursued
Accounts show extent to which secretive thinktank is funded by anonymous donors rather than income from membership fees
US president insists US and China are in agreement when it comes to tackling climate change