A quick Google search should come up with a number of organizations. Alternatively you can ask for suggestions and talk about different groups on our discussion pages.

Read the missions of the different groups you are looking at and pick the one that most appeals to you. You could potentially combine this with the Follow An Endangered Species guide and donate to a group working with the species you are following.

We recommend half a day's worth of wages or a day's worth of your time a year. Optionally, you can sign-up for a newsletter or mailing list to hear what is happening with the group.