MARTIN COUNTY, Texas—Two dozen cone-shaped, floating evaporators hum on a huge saltwater pond in the middle of the biggest oil field in the U.S. They are part of an experiment by Exxon Mobil to ...

Throughout history, China has reshaped its geography to meet its growing needs. And now, it is undertaking what may be the largest infrastructure project ever, the South-North Water Transfer Project.

BERTHOUD — For the casual observer, it comes down to the math. How much is too much cost. To proponents of the Northern Integrated Supply Project, it’s still about the water that will be made ...