Rig operator rejects BP's assertion that well design was unlikely to have caused Gulf disaster

World Bank report adds to warnings that demand for biofuel is driving the large-scale purchase of agricultural land in developing countries

BP accuses Transocean of missing danger signs and Halliburton of providing a "bad cement job"

Survey finds that almost half of people believe communication promoting sustainable lifestyles is "contradictory"

Australian Prime Minister could ditch emissions trading plans in favour of alternative mechanism for pricing carbon

Badly installed heat pumps would not be recognised as renewable energy under proposed European standards, says the Energy Saving Trust

New indices to help investors track performance of green and ethical firms

Early bird rate for How Big Is Your Footprint? lecture available for one more week

Think tank warns global oil supply could peak this year resulting in decades of political and economic upheaval

Technology modeled on plant's self-repairing capability promises to extend the life of solar panels