Carbon dioxide emissions from the US economy are nose-diving this year to a level not seen since 1983, according to new estimates by BloombergNEF. The planet-heating pollution is on track to fall by 9.2 percent from last year, which the private research organization says would be the biggest reduction on record.
The steep drop is mostly the result of the COVID-19 pandemic upending business as usual. With many Americans working from home or no longer working, transportation — the most polluting sector in the US — had its biggest year-on-year drop ever. The sector also contributed the most to the country’s overall reduction in emissions. Power sector emissions will probably see…