When Donald Trump removed the US from the Paris Agreement during his first term, many mayors stepped up with pledges to cut their cities’ emissions. This grassroots response demonstrated the powerful role local leadership can play in addressing climate change, even when federal policies fall short.

Now, a similar pattern is unfolding once again. Following the recent US elections on Tuesday, mayors around the world are expressing cautious optimism. They are preparing to take action and reinforce their commitments to reducing emissions, highlighting the ongoing importance of city-level initiatives in the global climate movement.
https://www.bloomberg.com/news/newsletters/2025-11-06/why-climate-mayors-feel-buoyed-by-us-elections