Opasnet is a dynamic online platform designed to facilitate scientific information sharing for societal decision-making, primarily focusing on environmental and health-related policy assessments. It serves a diverse user base, including policymakers, researchers, and the general public, offering insights into pressing issues such as climate change. The platform comprises two main components: the Opasnet wiki, which supports collaborative content creation, and the Opasnet Base, a database for quantitative estimates relevant to various research topics.

Users can navigate through a wealth of information, from general knowledge to detailed assessments, making it suitable for a range of inquiries. The site encourages mass collaboration and provides ready-made models and methods for conducting assessments, ensuring accessibility for users with varying levels of expertise. With a commitment to open data, Opasnet fosters an environment where contributions are welcomed, enhancing the usefulness and impact of scientific assessments in real-world decision making.