Although hundreds of citizen science applications exist, there is lack of detailed analysis of volunteers' needs and requirements, common usability mistakes and the kinds of user experiences that citizen science applications generate. Due to the limited number of studies that reflect on these issues, it is not always possible to develop interactions that are beneficial and enjoyable. In this paper we perform a systematic literature review to identify relevant articles which discuss user issues in environmental digital citizen science and we develop a set of design guidelines, which we evaluate using cooperative evaluation. The proposed research can assist scientists and practitioners with the design and development of easy to use citizen science applications and sets the basis to inform future Human-Computer Interaction research in the context of citizen science.