Paris Summit

PwC's Dr Celine Herweijer argues that no matter what the deal in Paris, the most critical conversations will follow in 2016

David Cameron's speech to COP21 Summit in Paris - in full

73 firms join American Business Act on Climate, backing strong Paris deal and pledging emissions reduction

Velux Group accuses politicians of ignoring buildings role in tackling climate change during COP21 summit

Major new study argues a return to using sewage as fertiliser may help tackle potentially catastrophic loss of soil nutrients

US President calls for countries to agree to ratcheting mechanism for carbon reduction targets

Blue chips, universities, and shipping industry latest to call for bold Paris Agreement, as negotiations step up a gear

Record-breaking solar-powered plane will take off in April 2016, after spending months grounded in Hawaii with battery problems

Marks & Spencer chief executive Marc Bolland says consumers are increasingly demanding sustainably sourced products

Richard Black reflects on how money talked during the opening of COP21