Theresa May

US left further isolated in opposition to global climate deal as Nicaragua pledges to join agreement and Theresa May calls for defence of 'rules-based system'

Theresa May uses Canada trip to reassert UK's commitment to phase out unabated coal power by 2025

As the MPs prepare for today's debate on key bill, environmental professionals, legal experts and green NGOs warn changes are necessary to ensure green Brexit

Former Conservative MP will become special adviser to the Prime Minister on environmental matters

Letter to Number 10 warns that without Clean Growth Plan, Green Brexit and stronger international diplomacy, May risks jeopardising UK's competitiveness

Susanne Baker and Jill Duggan explain how the current period of political flux presents the government with a great opportunity to seize the agenda and promote climate action

Government considering 'associate membership' of group that governs movement of radioactive material across Europe

Merkel intended climate change to be a centrepiece issue of this week's G20 meeting, but reports suggest scheduled meeting between Trump and Putin put it at risk of becoming a side show

PM will use summit meeting with US president to say climate change agreement doesn't need renegotiation

Assuming the government will at some point get back to the business of governing, some important issues await resolution