Britain becomes one of first countries to start process of ratifying last year's Kigali amendment to the Montreal Protocol, which aims to reduce emissions from fridges, air con and other appliances
Swedish government presents the "greatest commitment to climate and the environment ever" in 2018 budget bill
Chinese President urges global cooperation on climate change as he delivers coded warning to Trump in address to economic summit
London's police force deploys seven zero-emission hydrogen scooters for 18-month trial
Store managers across the UK will be able to offer 50 per cent off food during last hour of Starbucks trading hours, with proceeds donated to Action Against Hunger
Rather than burning dead leaves, scientists suggest they can be used to make supercapacitors to rival even those made from wonder material graphene
London Assembly Conservative group urges greater investment in charging infrastructure to support rapid uptake of electric vehicles in capital
Waste and resources firm already has planning permission to install solar panels at three former UK landfills
To achieve climate agreement's limit of 2C rise, pricing will have to increase to more than $100 a tonne, says Schroders
Energy company reveals details of major new solar installation scheme that promises to deliver £192m in energy savings for poorest households in England and Wales