ZITACUARO, Mexico (AP) This small patch of mountain fir forest is a model of sorts for the global effort to save trees and fight climate change. The problem is that saving trees has not saved the forest’s most famous visitors: Monarch butterflies.
Millions of Monarch butterflies migrate here from the United States and Canada every year, but their numbers declined by 75 percent last year alone, apparently because of changing weather and vegetation patterns.
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