Look at Louisiana for example of harm.<p><a href="http:&#x2F;&#x2F;www.scientificamerican.com&#x2F;article&#x2F;losing-ground-southeast-louisiana-is-disappearing-quickly&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.scientificamerican.com&#x2F;article&#x2F;losing-ground-sout...</a><p>&gt; In just 80 years, some 2,000 square miles of its coastal landscape have turned to open water, wiping places off maps, bringing the Gulf of Mexico to the back door of New Orleans and posing a lethal threat to an energy and shipping corridor vital to the nation’s economy.<p>A football field size area of land is lost <i>every hour</i>. That&#x27;s going to have massive economic and cultural impact on the rest of the US.