USA rejoins the Paris climate accord: Five scholars explain why it matters for the US, other countries

While almost every country ratified the 2015 agreement, aiming to limit global temperature rise, the US was the only one to withdraw.

from http://www.firstpost.com/world/usa-rejoins-the-paris-climate-accord-five-scholars-explain-why-it-matters-for-the-us-other-countries-9330851.html