About 15 per cent of emissions from all civil flights come from these aircraft, and at least half their emissions issue straight into the stratosphere. (newscientist.com)
But earlier this year it sharply raised its business - as - usual emissions forecast, giving it an extra 18 per cent of emissions. (newscientist.com)
The most contentious feature of the Coalition's climate policy is its reliance on using soils to store carbon for about 60 per cent of emissions reductions. (smh.com.au)