Ten months ago, in Paris, I said before the world that we needed a strong global agreement to reduce carbon pollution and to set the world on a low-carbon course. The result was the Paris Agreement. Last month, the United States and China — the world’s two largest economies and largest emitters — formally joined that agreement together. And today, the world has officially crossed the threshold for the Paris Agreement to take effect.
Today, the world meets the moment. And if we follow through on the commitments that this agreement embodies, history may well judge it as a turning point for our planet.