The term usually refers to any form of active amature participation in science going beyond professional research. On the other hand
According to the European Citizen Science Association the adoption of open science approaches and policies can benefit widely Citizen Science by increasing its visibility and opportunities for collaboration, ensuring data persistence, and securing its legacies and impacts in scientific research and policy.
Combining Citizen Science and Open Science will benefit to address grand challenges and respond to diminishing societal trust in science. In addition it will contribute to the creation of common goods and shared resources, and facilitate knowledge transfer between science and society aiming at stimulating innovation.