I'm a firm believer in the ravages of climate change. I'm also a firm believer that there's virtually nothing man can do to stop it.
When I encounter someone who disagrees with me, I respond with three words: Little Ice Age.
We actively manage the second half of the rain cycle, controlling the flow of most fresh water that hits land. We couldn't sustain 7 billion people on Earth without this technology. The next step is the actively manage the first half of the cycle, by helping mother nature create more clouds when it suits. Clouds are a key regulator of climate. The day will come when we will prevent the next ice age. We will also someday protect the Earth from major meteor impacts. The days of a wild Earth are coming to an end.