So what are we waiting for?
Yesterday we heard on the news that levels of carbon dioxide in the global atmosphere were the highest they’ve been for 800,000 years (“persisting” at levels above 400 parts per million for the first time since well before anyone began recording anything on tablets of clay or any other medium, and also twice the age at which homo sapiens began leaving its mark on our world by burning fossil fuels). Yesterday (though sadly not on the news – surprise, surprise…) we also learnt
