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Amazonia Not Pristine

The tropical rainforests of Brazil, once thought to be pristine habitats of noble savages, show evidence of mass reworking by humans for millennia.

Land Animals Can Raft Across Oceans

A research study about floating plastic debris illustrates how animals can cross oceans on floating rafts.

Freedom: The Best Conservation Strategy

Do-gooder environmentalists trying to save the Amazon rainforests make the problem worse.

Lost Civilizations: Human History Hidden in Plain Sight

New imaging techniques have revealed extensive ancient human settlements in two very different remote environments.