Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

I have about 20 000 usd. How can invest them to do good in the world?
FTSE ethical investment index: http://www.ftse.com/products/indices/FTSE4Good "The FTSE4Good Index is a series of ethical investment stock market   indices launched in 2001 by the FTSE Group.  A number of stock market   indices are available, for example covering UK shares, US shares,   European markets, and Japan, with inclusion based on a range of   corporate social responsibility criteria. Research for the indices is   supported by the Ethical Investment Research Services (EIRIS)." -   Wikipedia