x YouTube Video One of the greatest challenges of our time is climate change. Over the last seven years, we’ve made historic investments in clean energy that helped private sector companies create tens of thousands of good jobs. And today, clean power from the wind or the sun is actually cheaper in many communities than dirtier, conventional power. It’s helped grow our economy and cut our total carbon pollution more than any other country on earth. President Obama signalled Americans he is getting serious about climate change and renewable energy in his weekly address this morning, telling listeners innovating to stave off environmental disaster is not only the right thing to do, it’s the smart business move.