looding has caused hundreds of billions of dollars in damage in the U.S. over the past three decades. Researchers found that 36 percent of the costs of flooding in the U.S. from 1988 to 2017 were a result of intensifying precipitation, consistent with predictions of global warming.
orty years of satellite data show that 2020 was just the latest in a decades-long decline of Arctic sea ice.
Mr Biden is proposing to make US electricity production carbon-free by 2035 and to have the country achieve net zero emissions by the middle of the century.
Reaching net zero requires that any carbon emissions are balanced by absorbing an equivalent amount from the atmosphere by, for example, planting trees.
Once in office, Joe Biden wants to spend $2 trillion over four years to drive down emissions by upgrading four million buildings to make them more energy efficient.
He wants to spend heavily on public transport, to invest in electric vehicle manufacturing and charging points and give consumers financial incentives to trade up to cleaner cars.
The HFC measure, which empowers the EPA to cut the production and use of HFCs by 85 percent over the next 15 years, is expected to save as much as half a degree Celsius of warming by the end of the century.