Retail giant formally pledges to cut emissions from IKEA Group stores and other operations by 80 per cent by 2030, against 2016 levels
Pope Francis calls climate change a challenge of 'epochal proportions' that must be resisted with a wholesale switch to clean fuels
Pacific islands note threat of sea level rise while setting toughest climate target of any US state
Annual assessment of global green progress warns pace of decarbonisation beyond electricity sector too slow
Biggest analysis to date reveals huge footprint of livestock - it provides just 18 per cent of calories but takes up 83 per cent of farmland
Almost all nations would benefit economically from keeping global warming to 1.5C, a new study indicates
Landmark report warns that without action large parts of England will face significant water supply deficits by 2050
Global first as carbon credits generated from two forest conservation projects are officially recognised by the country's government
Freshwater supplies have already seriously declined in 19 global hotspots - from China to the Caspian Sea - due to overuse, groundbreaking study shows
New rankings reveal carbon impact of diets around the world, as beef consumption pushes Argentina to worldwide top spot for most polluting plates