On Wednesday, January 20, 2021, in one of his first acts as president, President Biden signed a letter to the United Nations recommitting the U.S. to the Paris climate agreement. The U.S. officially left the Paris agreement in November 2020. The onboarding will take 30 days, with the U.S. officially back in the pact on February 19, 2021. The U.S. remains the only country to have left the Paris agreement. The Paris agreement began in 2015 when 195 nations agreed to reduce greenhouse gas emissions in an effort to combat climate change. Climate change is responsible for not only higher air temperatures, but also stronger storms, rising sea levels, drought,…