High Risk Communities
That means that almost half of all global communities are at the highest risk for coastal erosion, flooding, and oceanic natural disasters.
Inefficient Coastal Protection
Manmade structures such as seawalls, groins and breakwaters can hinder natural vegatation growth and destroy underwater ecosystems that naturally filter the water. (source)
Meet The Mangrove Tree
Mangrove trees grow in low-oxygen soil along tropical and subtropical coastlines and have dense, tangled roots that protect the coast from storms and erosion. Mangrove tree roots also attract fish and other organisms to seek shelter and populate. (source)
Image Sources: CNN, All That's Interesting, NAACP, Encyclopedia Britannica, PBS Hawaii, MSNBC, TIME, Khan Academy, Whitmore Rare Books, Smithsonian Magazine, MoMa, NPR, US Army Corps of Engineers, The New Yorker, NYC Archives.
For more information on the history of Earth Day see the blog post "The History of Earth Day"