June 2, 2014: Environmental Protection Agency (EPA) Administrator Gina McCarthy speaks during an announcement of a plan to cut carbon dioxide emissions from power plants by 30 percent by 2030 at EPA headquarters in Washington. In a sweeping initiative to curb pollutants blamed for global warming, the Obama administration unveiled a plan that cuts carbon dioxide emissions from power plants by nearly a third over the next 15 years, but pushes the deadline for some states to comply until long after President Obama leaves office.