The Washington Post has a report out today by Shankar Vedantam, which says that ocean levels are likely to rise catastrophically in this century, changing entire landscapes, agriculture, climate, everything.
"This is the kind of study that should make people stay awake at night wondering what we're doing to the climate, how we're shaping the planet for future generations and, especially, what we can do about it.", one scientist is quoted as saying.
This gives fresh urgency to what Al Gore has been talking about. See report on Al Gore's Global Warming Presentation. All other issues are idiotic when you are on a sinking ship.