From Brazil to New Zealand, local activists show that small-scale initiatives can make a difference

In India, a civil servant gives up his desk job to show villagers how to conserve water and overcome drought. On a Pacific Ocean atoll, a fishing guide helps fellow islanders build a sustainable tourism industry. And in New Zealand, a retired urban couple are restoring native plant species on their farm. They are among the many people across the world who are pitching in to mitigate climate change. These are their stories.

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