Last summer, when we discussed how to make your climate change donations count, our reporting suggested that one of the most effective strategies is donating to political campaigns.

But what if you’re not into politics and would rather help out a nonprofit organization instead? Unless you’re a scientist or policy wonk, figuring out who’s actually making a difference can feel like an impossible task.

A good place to start would be Founders Pledge. That group — inspired by effective altruism, a broad social movement that relies on evidence and analysis to determine where donations will do the most good — helps entrepreneurs navigate the world of giving, in part by examining which charities offer the greatest return on investment.   Read more…