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