Climate change: Promisies, promises, promises

Recently President Joe Biden chaired a virtual international conference on climate change that included many of the world’s leaders. The conference gained a number of new or updated promises by nations, including major emitters like China, Europe and the US, to reduce their emissions of greenhouse gases (GHGs) by 2030. That’s the good news.

The bad news is that these ventures are still mostly promises. Actual major reductions in GHGs have yet to be seen. The Covid-induced global slowdowns in transportation and other forms of energy consumption, big as they were, were still largely masked by emissions elsewhere. For example, China added several coal-burning power plants to its active inventory in 2020. The result is that growth in GHG emissions today is still largely unchecked. Furthermore, for each year the promises are unfulfilled the required rate of decrease of GHGs in following years goes up if we are to meet the promised goals.

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