Prime Minister says UK remains committed to Paris Agreement, but refuses to be drawn on calls for a new net zero target for mid-century
Zac Goldsmith, Ed Miliband, Caroline Lucas and Baroness Featherstone among the cross-party group of politicians to sign letter backing 2050 net zero target
Influential Bright Blue think tank argues there is a compelling economic, political, environmental, and legal case for adopting a binding net zero emission target
But campaigners say binding target to cut emissions 90 per cent by 2050 fails to live up to 'net zero' aspirations
Environmental Audit Committee calls for urgent plan to boost green investment and close Clean Growth Strategy 'policy gap'
Professor Russell Viner of the Royal College of Paediatrics and Child Health argues that delivering on the goals of the Climate Change Act would result in cleaner air and lower health risks for children
Perry: 'We want to understand how we will get to a zero-carbon economy in 2050'
New LSE research reveals all countries signed up to the Paris Agreement now have at least one national law or policy on climate change
Germany, France and Sweden are among the countries advocating a faster transition to a clean economy, in a critical year for strengthening ambition
Claire Perry's confirmation the government will review the UK's long term emissions targets sends a clear signal to businesses - decarbonisation is going to have to accelerate