Marshall islands
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Small countries made big commitments at the U.N. climate summit
While big economies like the U.S., Russian and China did little to nothing, other nations are moving forward without them
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The shipping industry sets sail toward a carbon-free future
Two tense weeks of negotiations lead to an agreement that could lead to cleaner international trade.
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As ice melts and seas rise, can endangered languages survive?
From Greenland to the Marshall Islands, climate change threatens unique cultures.