The uncontrollable spread of the coronavirus led to huge declines in greenhouse emissions from the transportation, industry and power sectors across the country.
Many took to Twitter to point out that the drop in emissions was largely a result of the coronavirus pandemic which crippled the country for most of 2020.
However, researchers warn that the recent drastic falls are only likely be temporary.
"The pandemic is a reminder that there is no separation between humans and the environment," researcher Karen O'Neill said.
"I wouldn't be shocked to see a five percent or more drop in carbon dioxide emissions this year," researcher Rob Jackson said.
"Air pollution levels as observed by satellite are showing drastic improvements in many areas that have been undergoing restrictive quarantines," researcher Peter DeCarlo told Newsweek.
The walkout took place after Oregon Senate President Peter Courtney, a Democrat, stepped in to break a tie over the passage of the controversial cap-and-trade bill.
Sunday marks the anniversary of the Kyoto Protocol, when countries pledged to cut down their emissions. Fifteen years have passed and last year, greenhouse gas emissions were the highest they've ever been.
Permafrost is ground that remains frozen for a period of two or more years.
"It is worth recalling that the last time the Earth experienced a comparable concentration of CO2 was 3-5 million years ago," WMO Secretary-General Petteri Taalas said.
Nitrous oxide is 300 times more potent than carbon dioxide as a greenhouse gas, although it is found in the atmosphere in smaller quantities.
"The public needs to know the global implications of such actions," a scientist told "Newsweek."
The flights would have generated seven times more carbon emissions per person than a standard commercial flight.
The soft drink industry generates vast amounts of waste product. Could some of this be put to good use?
"Our American colleagues strongly oppose even mentioning the Paris Climate Agreement in the strategy, as well as the United Nations' 2030 sustainable development goals," Russian Foreign Minister Sergey Lavrov said.
Stratocumulus clouds became unstable as CO2 concentrations increased, simulations reveal.
In recent times, researchers have been developing new types of "organic" solar cells that could be applied to various building parts, like windows, in order to generate energy.
Legally binding deal will give developing nations more time to reduce the use of factory-made hydroflourocarbon gases.
Ninety-three million Nigerians do not have reliable access to electricity.
By bringing emissions down to the Paris climate talk target, the U.S. will improve air pollution to the point that it could save hundreds of thousands of lives
It is one of the few things that can drastically reshape our world, altering it forever
A Chatham House report says shifting to a plant-based diet could drastically lower global greenhouse gas emissions.
The impact that animal agriculture has on our planet cannot be underestimated.
Republicans say the plan, designed to lower carbon emissions by 2030, will eliminate American jobs and cost taxpayers.
It took threatening C-level compensation packages, but the world's biggest companies are finally getting environmentally responsible.