The forest in San Juan Xoconusco, Mexico, part of the wintering grounds of the Monarch butterfly. The Monarch butterfly reserve in the mountains west of Mexico City is a link between developed and developing nations. The butterflies migrate to Mexico from the US and Canada, and the reserve has benefited from international help, like payments to communities to preserve trees and alternative income projects that helped cut the deforestation rate by about 95%. An initiative launched this week allows web users to watch wildlife live from web cams in South American rainforests