Check out Photographers Without Borders. They team up volunteer photographers and videographers with non-profits and charities worldwide to help promote their work. http://www.photographerswithoutborders.org/
It's been a while since my last post, but I've recently returned from Antarctica. It's such an amazing, unspoiled place. The picture below is of Weincke Island. You can see four galleries of my pictures from Antarctica at http://www.tommosherphotography.com/f544524200