I have recently started reading the blog Mr.Money Mustache. It is about early retirement, but many of the lessons can be applied to earning to give. The blog makes good use of hedonic psychology and some basic rationality techniques (like actually using math).
This is the monthly thread for posting media of various types that you've found that you enjoy. Post what you're reading, listening to, watching, and your opinion of it. Post recommendations to blogs. Post whatever media you feel like discussing! To see previous recommendations, check out the older threads.
Rules: