Experts say air pollution levels are 20 times higher than maximum recommended by World Health Organisation
Proposal to inject tiny reflective particles into the upper atmosphere to block out sunlight could lead to droughts, warn scientists
EU air pollution rules have forced the move to reduce speed on sections of certain roads
Top-down talks have failed, now local forces are gathering strength
More than 800 activists from NGOs such as Greenpeace and Oxfam as well as trade unions and social movements have staged a mass walkout of the UN climate talks in Warsaw in protest of the lack of action at the conference.
New research shows distinctive rock is more than twice as old as previously thought – and could expose signs of ancient Martian life
BMW plays the generator game with this smart electric car
Andrew Cote, Sciences BSC, University of British Columbia, Canada
Studies reveal link between areas with high noise pollution and an increased risk of heart disease and stroke among residents
Is the new Picasso evidence of a renaissance at Citroën?
Scientists have warned that climate change has sent the health of oceans "spiralling downward" faster than previously thought.
A leading scientist has dismissed the United Nations’ call for governments to use the world’s financial markets as the central weapon against climate change as being “doomed to failure and a dangerous distraction”.
The summit in Russia may herald the end of the stubborn global climate policy recession
Tom Bawden visits urban, impoverished Newham to find out from its residents why it has the lowest carbon footprint in Britain
Arcane electoral system leads to minority special interests parties holding the balance of power
Gallery: Pictures of new C-X17 released