BLOOMBERG GREEN 🔒 | Elk and pronghorn antelope migrate each fall through southern Wyoming, where the sparsely vegetated landscape slowly gives way to the foothills of the Rocky Mountains. Interrupting this serene vista is a dense web of steel pipes, tanks, and pumps owned by Exxon Mobil Corp.
The industrial complex provides a clue about what lies beneath: an ancient sea of coral and marine life, petrified by time and pressure into a thick layer of rock. Known as the Madison formation, this geologic structure is miles wide and reaches more than 10 Empire State Buildings below the ground. It contains natural gas, helium, and carbon dioxide. Two of these gases are consistently valuable to Exxon’s business. The third is not—and that’s a problem for everyone on the planet.
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