Natural Resources Defense Council - Nonprofit dedicated to protecting wildlife and wild places, ensuring a safe and healthy environment for all living things.
Cousteau Society - nonprofit organization founded by Captain Jacques Cousteau dedicated to exploring, observing, and protecting ecosystems. Features information on coral reefs, marine protected areas, whales, and fisheries.
Traffic - a WWF monitoring program designed to ensure that wildlife trade is legal and at sustainable levels.
Global Ocean Observing System (GOOS) - intended to be a permanent global system for observations, modelling and analysis of marine and ocean variables needed to support operational ocean services worldwide.