North America
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Freshwater Outflow Increases Methane Gas Levels During Ice Age
During the last Ice Age, massive slabs of ice covered much of North America, but new research now shows that calving icebergs resulted in a huge influx of freshwater that increased the production of the greenhouse gas, methane, in tropical wetlands.
Latest Research Articles
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New Virus in North America Threatens Major Crops
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9-Foot Crocodile Ancestor Dominated Before Dinosaurs
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Humans May Have Occupied Western US Earlier Than Previously Thought
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NASA: 1934 Boasts Worst Drought in 1000 Years
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Wolf Populations are Unfazed by Individual Breeder Deaths
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Climate Change Could be Making Salamanders Smaller
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Prehistoric Impact Theory Debunked
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Microbes Hitch Rides on Dust Plumes From Asia to North America, Study Finds