Opinion

There is a 'perfect storm' building as the capital's air pollution problems mount, warns Simon Birkett, founder and director of Clean Air in London

Jonathon Porritt argues campaigners could help the UK create one of the world's greenest governments - over the border in Wales

Policy Exchange's Guy Newey argues right wing attacks against wind farms are missing the point

Conor Riffle of the CDP argues that cities are fast becoming crucibles of low carbon development

Andrew Raingold of the Alderstage Group argues that progressive businesses must inspire politicians into taking action at the Rio Summit

Cllr David Pugh says councils can have a huge influence on achieving national climate targets

Boris Johnson has pledged to redouble his efforts on the environment, but can a leopard really change its spots?

Ministers need look no further than thriving green industries if they want to trumpet some good news, argues Will Nichols

Matthew Spencer argues the government's desire to deliver flexible electricity market reforms is denying investors the certainty they need

Despite headlines to the contrary, the Renewable Energy Foundation's latest study applies its controversial methodologies to energy efficiency, not wind farms