The Biden administration wants automakers to raise gas mileage and cut tailpipe pollution between now and model year 2026.
But there are some big “ifs.”
Replacing coal with fuels like natural gas and wood may offer some climate benefits, but the harm to public health remains.
One senator called it “the most important environmental vote of this decade.”
Lawmakers are looking to the Congressional Review Act to restore Obama-era rules limiting emissions of the super-pollutant.
Researchers have outlined a way to make more sustainable fuel from waste like cooking oil, food scraps, manure and sewage. But not everyone is convinced.
Powerful lobbying groups are fighting to block cities from having a final say over building codes that could cut pollution and make energy bills cheaper.
To the atmosphere, this year’s “return to nature” — a silver lining for some amid a deadly virus — was virtually meaningless.
The global lockdowns put in place to combat the coronavirus have also been dramatically reducing pollution and greenhouse gas emissions.
There's still hope if we act fast, experts write in the new Exponential Climate Action Roadmap.