It could take several decades for these high-risk tickers to bear their full fruit.The advent of artificial intelligence (AI) is seen by many as one of the modern era's most incredible developments. And to be fair, it is a game changer.To say AI is the only innovation that's changing the world in a big way right now, however, ignores another revolution that's just as impressive... even if it's a little less exciting. That's the advent of renewable energy. For the first time in history it at least seems poss ...