http://www.Effective-Altruism.com 

“Effective altruism is a growing social movement based around the idea of using evidence and reason to work out how best to make the world a better place. The Effective Altruism Blog features posts by the leading figures in the EA movement.”

http://www.80000hours.org/blog

“80,000 Hours was founded in October 2011 to help people like you use the 80,000 hours you’ve got in your career to make a difference: we provide life-changing one-on-one career coaching to exceptional individuals, produce in-depth research on the careers that do the most to solve the world’s most pressing problems, and have a global community of like-minded world-changers.”

http://www.Thelifeyoucansave.org/Blog.aspx

“The Life You Can Save is a movement of people fighting extreme poverty. We hold that an ethical life involves using some of our wealth and resources to save and improve the lives of those less fortunate than us.For this reason, we spread knowledge of what all of us can do to reduce poverty and we encourage people to publicly pledge a percentage of their income to highly effective aid organizations.”

http://www.Blog.Givewell.org

“GiveWell is a nonprofit dedicated to finding outstanding giving opportunities and publishing the full details of our analysis to help donors decide where to give.”

http://www.one.org/us/blog/

“ONE is a campaigning and advocacy organization of more than 3.5 million people taking action to end extreme poverty and preventable disease, particularly in Africa… because the facts show extreme poverty has already been cut in half and can be virtually eliminated by 2030, but only if we act with urgency now.”