Grist: Shell Oil released its 2015 annual review last week, and the most surprising thing in it may be how concerned the company is with climate change. It`s hardly what you`d expect from Big Oil, and yet the words “climate change” occur 15 times in the 228 page report. While this may seem minor, it`s a hell of a lot more than climate change is discussed by most other oil monsters (Looking at you, Exxon). Shell, unlike many oil giants, actively acknowledges and even embraces climate action – at least, on…