US President Barack Obama answers a question during the joint news conference with German Chancellor Angela Merkel at the Chancellery in Berlin, Germany, Wednesday, June 19, 2013. Obama will renew his call to reduce the world's nuclear stockpiles, including a proposed one-third reduction in U.S. and Russian arsenals, a senior administration official said. (AP Photo/Pablo Martinez Monsivais)
WASHINGTON (AP) -- President Barack Obama is preparing to announce new steps to combat climate change, including increased production of renewable energy on public lands and federally assisted housing.
Environmental groups briefed on Obama's plan Monday say he'll direct his administration to allow enough renewables on public lands to power 6 million homes by 2020.
The groups say Obama plans to significantly expand production from sources like solar and wind at low-income housing projects. They say Obama will also announce more aggressive steps to increase efficiency for appliances.
Environmental groups say Obama's most important step will be to launch a process to regulate carbon emissions from existing power plants.
The groups were not authorized to discuss Obama's plan publicly and demanded anonymity.
Obama will unveil his national climate plan Tuesday at Georgetown University.
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