When the Trump administration officially announced that the United States would withdraw from the Paris Climate Agreement, a global agreement signed in 2015 by 195 countries to combat the effects of climate change, 247 city mayors across the country immediately said they would continue to work to meet the agreement at the local level. “Big problems require big solutions and New Yorkers are already working hard to achieve the most ambitious goals of the Paris Agreement,” said Mayor de Blasio. “In the Trump era, cities must be at the forefront of the fight against climate change. Hot summers and severe storms, compounded by climate change, are an existential threat to a coastal city like ours, hence the need to act now. In New York City, Mayor Bill de Blasio promised to pass an implementing regulation that would determine how the city would meet the goals of the Paris climate agreement. In just four months, de Blasio managed to keep his word and deliver a plan. The city has released “1.5°C: Aligning New York City With the Paris Climate Agreement,” [PDF!] the first such plan that outlines a plan to reduce the city`s carbon footprint.