Climate change debate fueled by 'echo chambers,' new study finds

A new study demonstrates the highly contentious debate on climate change is fueled in part by how information flows throughout policy networks. Researchers found that 'echo chambers' -- social network structures where individuals with the same viewpoint share information with each other -- may help explain why, despite a well-documented scientific consensus on the causes of global changes in climate, half of US senators voted earlier this year against an amendment affirming that climate change is human-induced.

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