Study indicates human fossil methane emissions have been underestimated by up to 40%

New data shows how fossil fuel companies have driven climate crisis despite industry knowing dangers

One day last summer, aged 15, she skipped school, sat down outside the Swedish parliament – and inadvertently kicked off a global movement

Carbon pollution would have to be cut by 45 per cent by 2030 – compared with a 20 per cent cut under the 2C pathway – and come down to zero by 2050, compared with 2075 for 2C. This would require carbon prices that are three to four times higher than for a 2C target. But the costs of doing nothing would be far higher.