Another 10 cities have agreed to be part of the Chicago Climate Charter — an agreement designed to battle climate change, The Hill reports.
The now 67-city pact came after President Donald Trump's decision to pull the U.S. out of the Paris climate agreement, according to the Hill.
Announcement of the additional cities was made by Chicago Mayor Rahm Emanuel, a Democrat. The new cities include San Jose, California; Boulder, Colorado; Louisville, Kentucky and Reno, Nevada.
"While the Trump administration continues to bury their heads deeper in the sand when it comes to climate change, local leaders are confronting the challenge head-on," Emanuel said in a statement.
"I look forward to working with the growing number of mayors in cities across the country and the world to take decisive action to protect our planet and the health and safety of our residents."
Mayor Wade Troxell of Fort Collins, Colorado added his city to the pact.
"We are pleased to sign the Chicago Climate Charter to emphasize our commitment to leading through action by demonstrating practical solutions," Troxell said. "In Fort Collins, our pragmatic approach pairs our drive to improve community vitality with realistic, measurable actions improving our future. Our climate actions since 2005 have put us halfway to our 2020 goal of reducing emissions 20 percent while growing our population and economy."
The agreement includes a pledge by participating cities to take steps to meet environmental goals set out by the Paris agreement, USA Today reported.
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