During his first two months in office, President Donald J. Trump has rolled back key Obama-era greenhouse gas regulations. Without these rules in place, the United States is set to fall far short of its 2015 Paris Agreement pledge: to lower emissions by at least 26 percent below 2005 levels by 2025. Here is how some of President Barack Obama’s signature policies have fared so far under the Trump administration: Obama-era policies for reducing greenhouse gas emissions In an executive order released Tuesday, Mr. Trump instructed the Environmental Protection Agency to reverse course on the Obama administration’s biggest climate change policy, the Clean Power Plan, which aimed to cut emissions from existing coal- and gas-fired power plants. If implemented to its fullest extent, the plan would have reduced carbon emissions by nearly 650 megatons by 2025 – just under halfway to the Paris pledge, according to an analysis by […]