The European Space Agency (ESA) describes its earth observation missions and related research at this website. The website features the latest news, image of the week, and upcoming events. At the Missions link, visitors can learn about Envisat (Environmental Satellite), ERA (European Remote Sensing Satellites), and future observation missions. The Satellite Images link allows users to browse satellite and SAR Interferometry images from around the world. Visitors can discover how this work assists in disaster management, river and lake studies, and additional initiatives.