State brings in new federal rules two years ahead of schedule in a move that could see California's businesses and consumers save $1bn every year on energy bills
PM is reportedly considering offering job of BEIS Secretary to Boris Johnson, in an effort to give the current Foreign Secretary a beefed-up role in Brexit negotiations
Carbon Trust CEO Tom Delay, Forum for the Future's Sally Uren and former Green Investment Bank chief Shaun Kingsbury all recognised for contribution to UK green industry
Transport overtook power generation for climate-warming emissions in 2017 but the Trump administration is reversing curbs on auto industry pollution
Analysis of National Grid data reveals UK grid smashed 13 clean energy records in 2017
US president again conflates weather with climate to pour scepticism on climate change and criticise the Paris agreement
Latest research from Triodos Bank suggests sale of ethical products in the UK are growing faster than those of ordinary products
Warmer weather has been good for some of the UK's flora and fauna, while others have suffered or almost disappeared completely
Investment will be used to scale Upside's cloud-based flexibility services from group led by Legal & General, SYSTEMIQ, Modern Energy and others
Firms leading UK push for shale gas say 'we will see results next year' after 12 months of opposition, protests and a ban in Scotland