Although the adoption of the Paris Agreement was a landmark moment and set the world on a path that scientists supported, it didn’t get specific about how countries should achieve its goals.

President Donald Trump on his first day in office again withdrew the U.S. from a landmark global pact to fight climate change. So what is the Paris Agreement? And what happens to it now?

In Paris in 2015, nearly 200 countries agreed a series of measures to tackle ... in the French capital in December 2015, the Paris Agreement came into force on 4 November 2016.

In Paris in 2015, nearly 200 countries agreed a series of measures to tackle climate change ... Adopted by nearly 200 countries in the French capital in December 2015, the Paris Agreement came into ...