COP, the United Nations’ annual global meeting on climate change, is being held in late November.  Bill Gates says, “There are more reasons to be hopeful than many people realize—and it’s not just that renewable energy sources like wind and solar are getting cheaper. And it’s not just because many of the steps already taken to reduce carbon emissions are working: Carbon emissions from fossil fuels will probably peak in 2025. The main thing that makes me optimistic is all the innovation I’m seeing. Some people are skeptical when a technology person like me says innovation is the answer. And it’s true that new tools aren’t the only thing we need. But we won’t solve the climate problem without them.”  Read more of what Bill Gates had to say on climate change.