Photo by Connie Oswald Stofko You can contribute important scientific data to NASA and help scientists studying Earth and the global environment. While NASA can use tools such as satellites, citizen scientists like you can add data that they don’t have. Use the GLOBE Observer App. It currently includes four main tools: Clouds, Trees, Mosquito Habitat Mapper and Land Cover. Clouds By photographing clouds, recording sky observations and comparing them with NASA satellite data, you can help scientists gain a new…