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U.S. greenhouse gas emissions rose by 6.2 percent last year compared to 2020, new data released Monday shows.

The spike was attributed to a slew of causes, including behavior changes after COVID-19 vaccines became widely available, the research firm 

. But it also means governmental goals to combat climate change may now be in jeopardy, an outcome environmental advocates say is alarming.

"It is clear that the climate crisis is upon us. It is having devastating consequences," Tiernan Sittenfeld, senior vice president of government affairs at the League of Conservation Voters, told NPR. "When we hear that emissions are going back up, that is extraordinarily worrisome."

People who stayed home and used less fossil fuels in the first year of the pandemic returned to some of their old habits in 2021, the Rhodium Group found, with the large-scale distribution of vaccines ushering in an economic recovery.

Transportation, particularly for moving freight to meet high demand for consumer products, saw the steepest increase in climate-warming emissions in 2021, though it dropped off in the second half of the year as breakthrough COVID-19 cases rose and new variants spread.

Also contributing to the increase was a 17 percent spike in coal generation, driven by high natural gas prices. Although it was the first annual increase in coal generation since 2014, coal emissions were still 4 percent lower than they were in 2019.

The spike is throwing emissions targets off track

The jump in emissions suggests that the country isn't on track to meet 

its commitment under the Paris climate agreement

 to cut 2005 emission levels by 50-52 percent by the year 2023.

"We need to see annual emission reductions of around 5 percent each year, and this year we saw emissions grow over 6 percent," Kate Larsen, a partner at the Rhodium Group, told NPR.

Still, the firm found that U.S. emissions in 2021 remained 5 percent below 2019 levels.

President Joe Biden's marquee Build Back Better legislation 

would have allocated billions of dollars for clean energy

 as the administration works to drastically reduce emissions, but West Virginia Sen. Joe Manchin's rejection of the bill last month likely doomed it.

A warming planet makes extreme weather events more frequent and intense, and federal authorities say 2021 was no different.

report also released Monday by the U.S. National Oceanic and Atmospheric Administration

 found that 2021 was one of the deadliest and costliest years on record for extreme weather and climate disasters, with 688 fatalities in 20 separate disasters causing damages in excess of $145 billion total.

Environmental News

Climate

Jeff Brady

Author

Joe Hernandez

The spike was attributed to a slew of causes, including behavior changes after COVID-19 vaccines became widely available, but environmental advocates say it's worrisome.

U.S. greenhouse gas emissions jumped in 2021, a threat to climate goals

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