But the world’s growing demand for energy is also a big problem, because most of that energy comes from hydrocarbons, which emit greenhouse gases and drive climate change. So we need to move to sources of energy that are affordable and reliable, and don’t produce any carbon.

　　The renewable technologies we have today, like wind and solar, have made a lot of progress and could be one path to a zero-carbon energy future. But given the scale of the challenge, we need to be exploring many different paths — and that means we also need to invent new approaches. Private companies will ultimately develop these energy breakthroughs, but their work will rely on the kind of basic research that only governments can fund. Both have a role to play. I’m honored to be a part of this event. It’s great to see so many government leaders and investors making these commitments and showing how the public and private sectors can come together to work on big problems. I’m optimistic that we can invent the tools we need to generate clean, affordable, reliable energy that will help the poorest improve their lives and also stop climate change. I hope even more governments and investors will join us.

　　A Big Win for Cheap, Clean Energy

　　Two proposals being announced ●Mission Innovation

　　More than ten countries 1________themselves to investing more in research on clean energy.

　　●Breakthrough Energy Coalition

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