WWF’s recent reports, Reviving the Ocean Economy and Marine Protected Areas: Smart investments in ocean health, target these audiences by marrying the most recent ocean and climate science with an economic case for urgent action. We have shown, for example, that more than two-thirds of the ocean’s annual economic value – $2.5 trillion – is dependent on healthy ocean assets. In other words, if we allow the continued decline in reefs, mangrove and other key habitats, we are draining the fuel from a natural economic engine.