USA

Bloomberg New Energy Finance's Nico Tyabji runs the rule over the latest flurry of clean tech trade scuffles, and warns plenty more is to come

President faces jobs dilemma over controversial Keystone pipeline with decision expected in April

Proposal to target most polluting facilities in America would raise $1.2trn, 60 per cent of which would be returned to bill payers

Minneapolis has joined a growing band of US cities requiring commercial landlords to report on the efficiency of their buildings

US start up offers instant cash for customers who drop off mobile phones and tablet computers

Secretary of state's meeting with Canadian foreign minister will almost certainly touch on the controversial pipeline project

Obama administration complains the scheme discriminates against US products in latest solar industry dispute

As environmentalists praise the President’s latest cabinet pick, World Resources Institute warns more ambitious policies are needed to cut emissions 17 per cent by 2020

Katie Kent argues smart grid technologies have the potential to tackle the risk of embarrassing black outs

Organisation records savings from energy, water, and waste worth $52m, alongside $24m in recycling revenues