Just watched this documentary by Leonardo Di Caprio, really good watch if you have some time to kill

https://www.youtube.com/watch?v=codqzJ4onGc

pretty hard hitting, coincidentally I have recently become aware of the work of Elon Musk. Founder of Tesla electric cars, and recently pitched the new solar roof, he has single handily pushed renewable energy forward by atleast 10 years in my opinion.