Greenhouse gas output of China and elsewhere is increased by making goods that are then used in the US and Europe

Al Gore says use of geo-engineering to head off climate disaster is insane

Christiana Figueres says $1 trillion a year is required for the transformation needed to stay within 2C of warming

Other energy giants seem likely to follow in footsteps of Total, the first big oil company to invest in Britain's shale sector

Highways Agency says local air quality would be further damaged if motorway continued to operate at current limit

Sir David King says government needs to increase spending on flood defences, as storms continue to cause disruption

Britain's demand to keep nuclear option open to reduce emissions will mean potential job losses, leaked report shows

New climate model taking greater account of cloud changes indicates heating will be at higher end of expectations

1.61m lofts were fully insulated in 2012, but just 110,000 were treated in the year to October 2013 – a pro-rata fall of 93 per cent

Blow to Conservatives as watchdog announces summer report, saying flight prices would need to rise to meet climate targets