Malaria afflicts over 400 million people every year, but is an entirely preventable illness. For just a $2 donation, Against Malaria Foundation donates 100% of all gifts towards getting nets into affected areas. AMF is consistently the highest rated charity by groups like GivingWell and The Life You can Save that track how charitable donations can be used most impactfully world wide.

YWCA of Central Alabama is a great local organization that provides housing, childcare, other services to women escaping domestic violence or struggling with homelessness.

After establishing Yosemite as the first national park, John Muir formed the Sierra Club. In this spirit of its founder, this group does a lot of work on preservation of public land. The non-profit Sierra Club Foundation is a strong and transparent advocate for the environment.