While laudable, first amendment protections don’t apply to government institutions.
"These policies’ tentacles already extend beyond government websites... Reports say scientists are self-censoring in hopes of improving their chances of getting government grants."
In regards to government institutions, limiting speech in this way will cause people to die.
For example, banning the phrase "air pollution" will curtail efforts to address air pollution, e.g. scientists not submitting research proposals addressing air pollution, causing people to die as a result[1].
[1] https://www.cdc.gov/climate-health/php/effects/air-pollution...
This is a left wing think tank.
Edit: article flagged presumably for bias.