As far as the environment of Falkland Islands is concerned, there have been overfishing by unlicensed vessels is a problem; reindeer - introduced to the islands in 2001 from South Georgia - are part of a farming effort to produce specialty meat and diversify the islands' economy; this is the only commercial reindeer herd in the world unaffected by the 1986 Chornobyl disaster; grazing threatens important habitats including tussac grass and its ecosystem with penguins and sea lions; soil erosion from fires. As for nvironment - international agreements, we have; .