G8

Imperial College research finds cost of slashing emissions would be $2tr per year

Final communique stresses that G8 leaders remain "strongly committed" to delivering ambitious global climate treaty

World leaders unlikely to discuss global warming at two day summit, as Downing Street insists it remains fully committed to securing global deal in 2015

Foreign ministers recognise 'international climate policy and sustainable economic development are mutually reinforcing', but topic still unlikely to be on agenda for G8 Summit

Summit agrees to accelerate action to tackle methane, HFCs, and soot, while also commissioning research into effective emission reduction policies

Fukushima disaster forces shift in energy policy and review of nuclear expansion plans

Japanese manufacturer fears red tape will hit profits after TEPCO confirms meltdowns at three Fukushima reactors

But renewable energy funding needs to double to $500bn annually to limit global warming, UN study warns

Rich nations need to cut CO2 emissions 90 per cent, says national think-tank

Bank issues unequivocal call for rich nations to dramatically increase climate change funding for developing countries