We are all totally screwed, as usual--especially you mollusks

Along with polar bear cannibalism and the giant heap of dying walruses, ocean acidification and warming have got to be some of the most viscerally icky consequences of climate change for critters.

According to a new UNEP report released today, half the world's corals may die by 2050 due to rising ocean temperatures. By 2100, mollusks will likely have trouble forming their shells because of ocean acidification from carbon dioxide emissions.