Freshwater megafauna include all freshwater animals that weigh 30 kilograms or more, such as species of river dolphins, beavers, crocodiles, giant turtles, and sturgeons
Carbon capture can be done using so-called "high-performance membranes," which are polymer filters that can specifically pick out CO2 from a mix of gases
A Columbia University study suggests residents not return to several uninhabited islands until areas are thoroughly cleaned and further assessed for safety