If the goal is generally to invest, then be boring. Split it among several ETF's.
If the goal is to support a project which will improve the world, I'd support existing projects to either make clean water more accessible or help the world's poorest people become more self-sufficient (eg, Heifer International).
If the goal is to support a project which will improve the world, I'd support existing projects to either make clean water more accessible or help the world's poorest people become more self-sufficient (eg, Heifer International).