Long before life thrived in Earth’s oceans, the planet’s magnetic field became disorganized. Deep within the ancient rocks of Morocco, scientists have recovered one of the clearest records of that ...
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Earth Talk: Human footprint
Dear EarthTalk: How has the human footprint on Earth changed over time? – B.K, via e-mail The term “human footprint” has become ubiquitous in modern environmental discourse, but to understand its ...
Chris Mooney is a Pulitzer Prize-winning journalist and a CNN Climate contributor. He is currently a professor of practice in the Environmental Institute at the University of Virginia. Planet-warming ...
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