The best of EcoWatch, right in your inbox. Sign up for our email newsletter!
By Kari Hamerschlag and Christopher D. Cook
Addressing a crowd of mayors gathered in his hometown last week, former President Obama called on the "new faces of American leadership" on climate change to take swift action to spare our children and grandchildren from a climate catastrophe. Twenty-five U.S. mayors signed the "Chicago Charter," affirming a commitment from their cities to meet the Paris agreement target for greenhouse gas reductions by 2025.