Science

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

New #whatsinmywash campaign aims to raise awareness of threat microfibres can pose to marine habitats and human health

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

George Monbiot's blistering critique of natural capital thinking overlooked the fact a price is already placed on nature, and it is close to zero