In reply to MG:
Facebook is a reasonable bet...........low environmental foot print etc etc.
You can argue that the oil companies are an even better bet as they are having to address those issues.And remeber that the worlds evil represented by say Black Rock have recently changed their focus to recognise the risk and opportunities in environmental funds.
Depends on what you want to achieve financially.
ESG bonds may be a better way of protecting capital.
Some of this is said with tongue in cheek.