The United States began to outline today how it will achieve the goal of cutting greenhouse gas emissions by 28 percent by the end of 2025. In a submission to the UN Framework Convention on Climate Change, the United States says that it will use executive actions, largely under the Clean Air Act, to cut carbon pollution from new and existing power plants, improve fuel economy standards, and limit methane emissions from landfills and the oil and gas sectors.

The submission comes ahead of a UN climate conference in Paris meant to coordinate a global response to climate change and prevent the Earth from warming more than 2 degrees Celsius, a widely accepted target for limiting the effects of warming.

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