Blue-chip firms promise green jobs investment if G20 leaders deliver low-carbon policies
Green groups angry as Canadian prime minister stands by support for oil sands industry
US intervenes to secure tougher commitment to phasing out "inefficient" fossil fuel subsidies
De Boer "appalled" by failure of governments to address climate change threat
But draft communiqué also suggests plan to phase out fossil fuel subsidies will be watered down
Ban Ki-moon writes to world leaders arguing that green measures offer safest route out of recession
The phasing out of counter productive and outdated fossil fuel subsidies promises to deliver deep cuts in carbon emissions and revitalise international climate change negotiations
Experts predict end to fossil fuel subsidies would cut emissions 12 per cent by 2050, while aiding development efforts
But renewable energy funding needs to double to $500bn annually to limit global warming, UN study warns
Think tanks call on G20 leaders to act together to create the efficient low carbon markets