what are some real-world examples commons dilemmas/tragedy of the commons? (environmental science question)?

Question

Any help is appreciated, thanks!

Answer 1

Commercial fishing for species that live in international waters like tuna, mackerel, and swordfish. They are overfished, to the point where we could wipe them out if we aren't careful. There is no international body with authority to enforce fishing limitations in international waters, and some nations don't cooperate with international agreements.

Answer 2

The ten worst pollution spots in the world, see:

http://www.ens-newswire.com/ens/oct2006/2006-10-18-02.asp


one example from the article:

"the Russian industrial city of Norilsk, which houses the world's largest heavy metals smelting complex and where more than 4 million tons of cadmium, copper, lead, nickel, arsenic, selenium and zinc emissions are released annually; "