Nearly two millions tons worth of carp have infested Australia’s Murray-Darling river system, creating roughly £260 million worth of damage each year. They swallow native species, wreak havoc on the environment and grow to enormous sizes if left unchecked. Officials are now calling for a “carpaggedon,” using a specific strain of the herpes virus to wipe out the fish. While most everyone is on board, the mass cleansing will produce huge piles of dead fish, which Australia is now considering using for fertilizer or pet food. Read more at The Telegraph.