Restoring Environmental Rules Rolled Back by Trump Could Take Years President Biden has promised to reinstate more than 100 rules and regulations aimed at environmental protection that his predecessor rolled back. It won’t happen overnight. President Biden signed his first executive orders in the Oval Office on Wednesday. Credit...Doug Mills/The New York Times Published Jan. 22, 2021Updated Jan. 27, 2021 WASHINGTON — President Biden, vowing to restore environmental protections frayed over the past four years, has ordered the review of more than 100 rules and regulations on air, water, public lands, endangered species and climate change that were weakened or rolled back by his predecessor.