President Trump, with help from his administration and Republicans in Congress, has reversed course on nearly two dozen environmental rules, regulations and other Obama-era policies during his first 100 days in office.
Citing federal overreach and burdensome regulations, Mr. Trump has prioritized domestic fossil fuel interests and undone measures aimed at protecting the environment and limiting global warming.
WHO WANTED IT CHANGED? Republicans in Congress criticized President Barack Obama for delaying construction of the pipeline — which they argued would create jobs and stimulate the economy — after protests led by the Standing Rock Sioux Tribe. Mr. Trump ordered an expedited review of the pipeline, and the Army approved it.
WHO WANTED IT CHANGED? The coal industry said the rule was overly burdensome, calling it part of the war on coal. Congress passed a bill revoking the rule, which Mr. Trump signed into law.
WHO WANTED IT CHANGED? Republican officials from 11 states wrote a letter to Scott Pruitt, the administrator of the Environmental Protection Agency, saying the rule added costs and paperwork for oil and gas companies. The next day, Mr. Pruitt revoked the rule.
WHO WANTED IT CHANGED? Republicans, along with oil, gas and steel industry groups, opposed Mr. Obama’s decision to block the pipeline, arguing that the project would create jobs and support North American energy independence. After the pipeline company reapplied for a permit, the Trump administration approved it.
WHO WANTED IT CHANGED? Republicans and fossil fuel industry groups opposed the updated planning rule for public lands, arguing that it gave the federal government too much power at the expense of local and business interests. Congress passed a bill revoking the rule, which Mr. Trump signed into law.