Now, skeptics said these actions would kill jobs. Instead, we’ve seen the longest streak of private-sector job creation in our history. We’ve driven our economic output to all-time highs while driving our carbon pollution down to its lowest level in nearly two decades. And then, with our historic joint announcement with China last year, we showed it was possible to bridge the old divides between developed and developing nations that had stymied global progress for so long. That accomplishment encouraged dozens and dozens of other nations to set their own ambitious climate targets. And that was the foundation for success in Paris. Because no nation, not even one as powerful as ours, can solve this challenge alone. And no country, no matter how small, can sit on the sidelines. All of us had to solve it together.