 
      Biden Wields His Pen on Day One to Reverse Trump's Environmental Rollbacks
    
              January 21, 2021 — 
            The 46th president rejoined the Paris agreement, axed the Keystone XL pipeline, and directed agencies to start dismantling his predecessor's policies that were harmful to the environment and human health.
    
          
       
       
       
       
       
       
       
       
       
       
       
      