Our planet’s future climate depends on the actions of countries big and small. Some are aggressively cutting greenhouse gases while others lag behind.

Costa Rica, known for its white-sand beaches and cloud-draped forests, is a meager contributor to global climate change. Its largest provider of electricity, which relies almost entirely on hydropower, can go months without burning any fossil fuels. Yet, despite its miniscule role in warming the climate, this Central American country is among the nations trying hardest to curb greenhouse gases.

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Source: National Geographic