On 23 June, Climate Siren activists hung banners on the gates of Buckingham palace. PHOTO: Peter Marshall
The human race may be pushing the Earth towards a rapid, catastrophic and irreversible ‘state shift’ leading to mass extinctions, according to a paper by 22 leading scientists published in the world’s top scientific journal, Nature, in the run-up to the failed Rio+20 environment conference. The Nature paper set out possible measures for avoiding or limiting the state shift, which may…