There are websites online that recommend and rate charities by their efficacy or efficiency, and they'll have them grouped by topic. It doesn't matter, though.

There are websites online that recommend and rate charities by their efficacy or efficiency, and they'll have them grouped by topic. It doesn't matter, though. A thousand years from now, and in the millions of years thereafter, the wildlife and environment will be unaffected by your donation. But if you donated to a charity that helps out humans today, somebody's life will be improved.