Six other governments agree to join push for target of 30 per cent cuts in greenhouse gas emissions by 2020

Fears of petrol shortages as consumers reject biofuels in favour of standard petrol

As Middle East conflicts cause oil prices to rise dramatically, government spells out plans for radical energy shift

A United Nations food price index reached another record in February, as unrest in Libya pushed up the price of oil, a major part of agricultural production

Power market reforms will determine whether the UK can meet its energy and emission targets, warns Steve Holliday

Oil hits highest price since August 2008, investors worry spreading turmoil could damage production

Oil and food prices stay high as IEA members consider releasing emergency oil stocks

Global green investment drive 'would pay off in terms of jobs, cleaner air and energy use'

Co-op aims to cut carbon emissions by 35 per cent, increase Fairtrade product lines and invest £1bn in green energy

Plans scrapped after furious backlash and Ed Miliband jibing about PM changing the Conservative emblem to a tree