https://www.bloomberg.com/graphics/2018-climate-crops/
https://finance.yahoo.com/news/apple-says-facilities-now-powered-200315397.html
https://qz.com/1247527/for-every-1-the-us-put-into-renewable-energy-last-year-china-put-in-3/
https://www.bloomberg.com/news/articles/2018-04-08/cities-running-on-car-batteries-just-so-crazy-it-might-work
http://www.business.hsbc.com/belt-and-road/chinas-push-for-green-energy-leadership?cid=HBEU:Gr:D1:XX:1:1707:1453:bri2017
https://arstechnica.com/science/2018/04/world-added-more-solar-capacity-than-net-fossil-fuel-capacity-in-2017/
https://www.bloomberg.com/news/articles/2018-03-29/batteries-included-even-the-huge-saudi-solar-farm-will-use-them
https://www.bloomberg.com/news/articles/2018-03-28/saudi-arabia-softbank-ink-deal-on-200-billion-solar-project
https://www.bloomberg.com/news/articles/2018-03-08/the-battery-will-kill-fossil-fuels-it-s-only-a-matter-of-time
http://fortune.com/2018/02/18/renewable-energy-us-power-mix/