The Zoological Society of London (ZSL) is an international scientific, conservation and educational charity dedicated to promoting and achieving the conservation of animals and their habitats. Through our groundbreaking science, our active conservation projects in more than 50 countries and our two Zoos, ZSL London Zoo and ZSL Whipsnade Zoo we are striving to protect species all over the world. Therefore our security team and members of ZSL are going to take on the challenge of Tough Mudder, Please help to support this fantastic cause by donating and supporting us.