Minister slams 'particularly contemptible scam' that aims to take advantage of people's desire to make ethical investments
Institute of Fiscal Studies calls for overhaul of government policies designed to curb CO2, but is its answer too simplistic?
Four jurisdictions agree to align low carbon policies, potentially paving way for carbon-trading scheme
Christiana Figueres calls for rapid emissions cuts to avoid 'doom and gloom' events such as the NSW bushfires
German Chancellor says a certain amount of backloading is required to ensure prices return to 'a sensible level'
Green groups annoyed by reduced ambition of climate policy that leaves some two-thirds of emissions unaccounted for
"Governments need to put together the optimal policy mix to eliminate emissions from fossil fuels in the second half of the century"
Secretary-general calls for worldwide coherent approach to carbon trading and warns there is no "climate bailout" option
Analysts predict 2.5 billion surplus allowances will take seven years to erode even with more ambitious climate policies
FT reports leading energy companies are to raise concerns over impact of renewables policies