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
California became the first US state to completely ban incandescent light bulbs on Monday, after new energy efficiency standards for lighting came into effect. The rules, which California is introducing...
Abu Dhabi firm to develop wind projects in Egypt and solar in Jordan, as International Solar Alliance eyes $1tr of private investment gloabally
Sportswear giant agrees second major wind contract with Avangrid Renewables, delivering on goal to source all its North American power from renewables
Project to warm houses using water naturally heated in underground mine workings secures £6.5m in EU funding
Bilateral pledge to 'encourage' new nuclear one of a raft of climate pledges made between two countries at this week's summit