Mars, Earth
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For decades, he tended a SoHo loft filled with dirt, made by the conceptual artist Walter De Maria. People made pilgrimages to see it — and Mr. Dilworth, its magnetic steward.
Amazon founder Jeff Bezos taps one of his former executives as the new president and CEO of the Bezos Earth Fund.
New research has uncovered that the construction of water dams has shifted Earth's poles in subtle but important ways.
Scientists reconstructed 540 million years of sea level changes, showing Earth's oceans rose and fell by hundreds of feet over a short time.
New research suggests that the thousands of dams built over the past two centuries have caused the Earth's poles to drift more than a meter.