Ed Davey and John Hayes fail to clarify energy bill plan

Cameron and Clegg concerned about threats by major investment companies that they might leave the UK

CBI warns of exposure to price rises on global markets and argues for more green projects

Report by CCS group says huge investment needed by 2020

Alex Salmond under fire after data reveals huge environmental cost of using oil and gas reserves to bankroll independence

Study into coverage of climate change also shows right-leaning papers less likely to challenge sceptical voices

Flagship environmental scheme fails to win support of big names amid criticism it is too complex and may disadvantage the poor

Sainsbury's has relaxed its rules on the cosmetic appearance of fresh produce after one of the worst harvests in decades

Network operator O2 will pilot the charger-free scheme in the UK for the soon-to-be-released smartphone

Persian Gulf, Libya, and Pakistan expected to be hardest hit by decline in fish stocks in coming decades