This week, President Trump signed an executive order aimed at rolling back part of former President Obama's environmental legacy.
The order directs the Environmental Protection Agency to begin to dismantle the Clean Power Plan, which would have phased out the nation's reliance on coal in favor of new wind and solar farms.
Obama's Clean Power Plan was aimed at helping the U.S. meet international commitments to cut greenhouse gas emissions under the landmark Paris climate agreement.
What does Trump's executive order mean for the fight against climate change? And how does it affect the Paris accord?
Veerabhadran "Ram" Ramanathan, distinguished professor of atmospheric and climate sciences at Scripps Institution of Oceanography, discusses the implications of the rollback Thursday on Midday Edition.