WASHINGTON — In President Obama’s latest move using executive authority to tackle climate change, White House officials on Wednesday announced plans to impose new regulations on the oil and gas industry’s emissions of methane, a powerful greenhouse gas. The administration’s goal is to cut methane emissions from oil and gas production by up to 45 percent by 2025 from the levels recorded in 2012.

The Environmental Protection Agency will issue the proposed regulations this summer, and final regulations by 2016.

Environmental advocates have long urged the Obama administration to target methane emissions, and the rules would be the first to do so. Most of the planet-warming greenhouse gas pollution in the United States comes from carbon dioxide, which is produced by burning coal, oil and natural gas. Methane, which leaks from oil and gas wells, accounts for just 9 percent of the nation’s greenhouse gas pollution — but it is over 20 times more potent than carbon dioxide, so even small amounts of it can have a big impact on global warming.

“This is the biggest opportunity to curb climate change pollution that they haven’t already seized,” said David Doniger, director of the climate and clean air program at the Natural Resources Defense Council, an advocacy group.