Citizen science Together, we can better understand nature: Sign up for CREAF’s citizen science! Get involved in a scientific community, learn and enjoy yourself doing science with us all over the territory.CREAF has been generating knowledge about ecology, global change and biodiversity for over 30 years. But we can’t take all the credit. Our centre is a stronghold of public engagement and citizen science projects for which we team up with the general public, with each member being both a citizen and a scientist. ¿Care to join us? You’ll get the chance to learn, do research, drive change in natural systems and territorial management, and raise awareness for the environment. This is a multifaceted team that, with you, will get even richer and go further.Explore those areas of nature that spring your interest, identify the projects that work on them and take your pick. Also, find out about campaigns you can contribute to right now. Let’s go! CampaignsActive campaigns you can engage in: Have you seen a forest with signs of drought? Send us photos! Do you live in Barcelona? Go and look for butterflies! It's summer, time of flowers and fruits. Follow the rhythm! Have you seen boxwoods without leaves by the box tree moth? Send us photos! Do you live in Barcelona metropolitan area? Go and look for butterflies! Do you feel a bad smell, pollution or noise in the metropolitan area of Barcelona? Notify us! Projects Explore citizen science projects by area! Fauna Flora Phenology Bioindicators Urban ecology Forest ecology Biodiversity monitoring Invasive species Public health Climate change Help us assess the state of health of forests. Observe the effects of climate change on nature. Discover the butterfliesliving in your city. Explore metropolitan parks and beaches looking for butterflies. Become a mammal detective. Natural Heritage and Biodiversity Observatory. Fight disease-carrying mosquitoes. Drink in the wildlife of the Andorran Pyrenees. Carry nature in your pocket. The citizen science promoted by CREAF has the support of the Caixa d'Enginyers Foundation