Policy

Ministers argue about how soon the bank should lend to riskier emerging technologies such as wave and tidal power

Supermarket chief executive Justin King warns mandatory carbon reporting would create arbitrary regulations which would fail to drive real change

New investigation warns flagship e-waste legislation is not being adequately enforced

Renewable energy industry fears under-reported "control framework" will force straitjacket on low carbon policy

President angers green groups with plans to expand drilling in Alaska and off Atlantic coast

BBC says deal between warring Cabinet factions over carbon budgets means post-2020 targets could be reviewed if the EU fails to meet its own emissions goals

James Murray welcomes the government's acceptance of the Fourth Carbon Budget, but wonders what it means for short-term policies

Chris Huhne will announce a long-term programme that will put Britain at the forefront of the battle against climate change