Forbes: The consequences of climate change in coastal regions include stranded polar bears in the Arctic, a sinking island in the South Pacific and frequent tropical storms that batter the Caribbean. Over-fishing and pollution also significantly harm coastal regions by wreaking havoc on the ecosystem. Many of the changes that occur as a result, like so-called dead zones, where oxygen levels drop to below the amount necessary for aquatic life, and depletion of the fish population, are not …