No, rejoining the Paris Agreement isn’t cause for celebration, nor is it actually doing anything but whitewashing our inaction on the climate. Yes, Trump was inarguably worse.
That’s no longer an excuse.
“If we rely only on the current climate commitments of the Paris Agreement, temperatures can be expected to rise to 3.2°C this century. Temperatures have already increased 1.1°C, leaving families, homes and communities devastated.”https://www.unenvironment.org/interactive/emissions-gap-report/2019/