From natural disasters like Hurricane Sandy to the intensifying threat of climate change, 2012 had its share of ominous environmental stories. But the news wasn’t all bleak – we also brought you the inspiring story of an Indian man who single-handedly planted a 1,360 acre forest and one company’s plans to create the world’s tallest skyscraper in just 90 days. Read on for our most popular news stories of 2012 – and make sure to vote for your favorite!

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