Climate change

Secretary of State's speech to the Paris climate summit in full

Inaugural competition attracted more than 1,000 entries, with winning photo depicting Bangladesh residents at a symbolic funeral for dried earth

DECC's calculator tool aims to help decision makers choose the best low-carbon technology mix

Labour leader and Environment Secretary link floods to global warming, as government bows to pressure and pledges extra money for flood-stricken councils

Richard Black explores how even without an international deal a new approach for curbing emissions through regional alliances could reshape the climate policy landscape

EXCLUSIVE: Operator of CrossCountry trains and the London Overground also commits to reducing its energy and water consumption and upping its share of renewables

Kellogg and Enel among 114 companies whose carbon pledges have been approved by Science Based Targets initiative

Bioregional's Sue Riddlestone argues progress at Paris needs to be matched by a national plan to deliver greener buildings

Energy Minister Lord Bourne joins 14 other ministers including Bangladesh, Philippines and Marshall Islands to push for long-term goal

There are lots of reasons to be cautious, but the news that global emissions are set to fall this year could mark an historic turning point for the green economy