More is needed to combat climate change, however, Biden said. Mayors need to help push Congress for extra disaster relief funding to “upgrade the power grids, plant millions of trees [and] build resilient communities that can withstand extreme weather,” he said. “Not only to rebuild, but to build back better than before.”

It’s the single greatest existential threat to humanity,” President Joe Biden said of climate change during a speech Monday.

President Donald Trump has ordered federal agencies to “immediately pause” the spending of money from the Inflation Reduction Act, former President Joe Biden’s signature climate law that provided hundreds of billions of dollars in subsidies to clean energy and other climate initiatives.

On his first day in office, President Trump signed a slew of executive orders promoting fossil fuels and ending many of the Biden administration's efforts to combat climate change. CBS News national environmental correspondent David Schechter joins "America Decides" to explain what Trump's actions could mean for the planet.