Since 1998, the World Resources Institute (WRI) has been using GIS (Geographic Information System) models to develop map-based assessments of threats to the world’s coral reefs. Reefs at Risk Revisited, released in February 2011, is the latest assessment in the series and is based on a nearly three-year study that produced the most highly-detailed global maps of coral reef threats to date. The study analyzed and mapped threats to coral reefs from local human activities such as coastal development, unsustainable fishing, and marine and land-based pollution, as well as climate-related threats caused by increasing levels of greenhouse gases in the atmosphere. Read More
