If leaders in rich countries can't do the light lifting needed to vaccinate poorer countries (easily explained as in the self-interest of rich countries), there seems little chance they'll be able to do the heavy lifting needed to meet even minimal climate change commitments.
A global coronavirus vaccination program called Covax was supposed to help poor countries get vaccines as quickly as the rich. It hasn’t worked out that way, even as the Delta variant overruns the world.
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