U.S. President Donald Trump issued an executive order on Tuesday that aims to block the enforcement of state laws passed to reduce the use of fossil fuels and combat climate change. The move is the latest in a string of efforts by Trump's administration to pump up domestic energy output and push back against largely Democratic-led policies to curb carbon emissions.

After halting federal attempts to combat global warming, President Trump is now targeting efforts by states to reduce greenhouse gases, setting up a legal clash.

US President Donald Trump has signed an executive order that aims to prevent the enforcement of state laws that seek to reduce reliance on fossil fuels and address climate change. The directive targets policies designed to limit carbon emissions and enhance environmental protection,