Environmental payoff

Every winter and spring, tens of thousands of endangered olive ridley sea        turtles clamber onto the shores of Gahirmatha Marine Sanctuary, along In-
dia’s northeastern coast, to lay eggs in one of the world’s most spectacular phenomena— the arribada, or mass nesting, which occurs only in India, Costa Rica and Mexico. This past season, however, the arribada did not happen at Gahirmatha.

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