Some species of fungi can store exceptional levels of carbon underground, preventing it from heating up the Earth's atmosphere. Others help plants survive brutal droughts or fight off pests. They are "levers" to address the hazards of a warming climate, and yet they remain a mystery
ALERCE COSTERO NATIONAL PARK, Chile — Toby Kiers took long strides across the spongy forest floor, felt the adrenaline rush in her veins and stopped at precisely the spot she had traveled so far to reach. Into the ground went a hollow metal cylinder. Out came a scoop of soil.
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