CAXIUANA NATIONAL FOREST, Brazil (AP) — A short walk beneath the dense Amazon canopy, the forest abruptly opens up. Fallen logs are rotting, the trees grow sparser and the temperature rises in places ...
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The 10 biggest science experiments on Earth
Miniature Amazon rainforests By pumping tons of carbon dioxide (CO2) into the atmosphere each year through the burning of fossil fuels, humanity is performing an extremely large-scale — and very ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAXIUANA NATIONAL FOREST, Brazil (AP) — A ...
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