Tech giant quadruples number of locations for US customers to hand in old iPhones as part of recycling and reuse drive

Under the programme Walmart will offer its suppliers favourable financing rates in return for progress on cutting emissions

Sarah Merrick founded Ripple Energy to help people own a slice of a wind farm

Sam Hampton from the University of Oxford is researching how to get smaller companies to cut their carbon

Veteran investor insists well-designed climate strategy offers investors better returns and lower risks than standard approach

Hydrogen and battery electric alternatives should displace diesel lorries, advisors tell government

Jeremy Corbyn reportedly blames Conservative deregulatory agenda for lack of progress in cross-party Brexit talks

Human civilisation is threatened by long-dead organisms, whether as White Walkers or petrol, argues Alf Hornborg from Lund University

Legal & General claims crackdown on climate laggards delivers progress

The Nature Conservancy plans to deliver 'Blue Bonds for Ocean Conservation' to help protect most vulnerable underwater habitats