Are there any conservation efforts focused on animal species endemic to islands likely to be submerged by rising sea levels?
—H. Wyeth, Anahola, HI
Islands are indeed likely to be the areas hardest hit by our warming climate. The Intergovernmental Panel on Climate Change (IPCC), a group of leading climate scientists from around the world convened by the United Nations to assess the ongoing risk of global warming, predicts a global average sea level rise of between 3.5 and 34.6 inches over the next century. And the Alliance of Small Island States (AOSIS), a coalition of 42 small island and low-lying coastal countries that have banded together to lobby United Nations policymakers, reports that warming-induced sea level rises could threaten the very existence of some island nations including the Maldives, Kiribati and parts of the Bahamas.
Those low-lying nations that do manage to hang onto some land will contend with not only continuously rising seas and stronger more frequent storms, but also declines in the productivity of their agriculture and fisheries. Salt water intrusion will limit the amount of freshwater available for crops and in some cases undermine the integrity of the soil itself. And as coral reefs die off, the abundant marine life that once congregated around them will disappear.