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WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.
Think of your favorite river, lake or body of fresh water. A basin is the land that water flows across or under on its way to that river, lake or other freshwater resource. Just as a bathtub catches all of the water that falls within its sides, a basin sends all of the water falling within it to a central river, lake, estuary or the ocean. So how healthy was your freshwater basin?
While this is by no means a scientific assessment, take this quiz while thinking of your favorite river or lake to see what grade it might get.