President Donald Trump pulled out of the 2015 Paris climate agreement earlier this year, but a coalition of U.S. cities, companies and other groups remain committed to cutting greenhouse gasses, and they want the world to know.

The “We are still in” coalition opened a 2,500-square meter (27,000-square foot) tent pavilion outside the UN Climate Change Conference in Bonn, Germany on Thursday, where delegates from almost 200 nations are working on details of the agreement, which plans to eliminate fossil fuel by the year 2100.

The U.S. government delegation office at the talks is much smaller since Trump wasn’t invited.

“There is a tradition of non-partisanship for protecting our planet,” said James Brainard, the Republican mayor of the town of Carmel, Indiana, at an opening event. “It is unfortunate we have moved away from it.”

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