Earth Day 2021. The level of concern and the degree of activity being directed towards slowing the additions of heat-trapping gases to the atmosphere has never been greater. This would be encouraging except that decades of study, thousands of scientific reports and billions invested has yielded little progress. Prior to the economic slow-down caused by Covid-19, even the rate of growth of emissions had not been meaningfully reduced. Now, with economies starting to recover, global emissions are rising again, when what is needed is for these emissions to be dramatically declining.
