Collective Lens is a wonderful organisation which promotes social change with your photos. Upload a photo and help bring awareness to important issues around the world. The website aims to create opportunties to bring causes to the attention of others, and inspire people to get involved. If you're looking for a way to make a difference, your photos can help spread the word.
Collective Lens also serves as a networking site for nonprofits. Through a variety of tools, organizations may interact, learn, and discuss projects, funding sources, and best practices.