As the black SUV crawls slowly along a gravel road, in the passenger seat Nadia Tarakki taps her finger on the screen of her laptop.
“This is what a plume looks like,” she says, her eyes fixed on a flat blue line that’s suddenly shot upward.
Out the car’s window is a field of brown winter grass dotted with short concrete pillars. It doesn’t look like anything around the pillars is moving, but Tarakki knows better.
“That one was leaking a little bit,” she says to her fellow researcher, Amirali Foomajd, who’s at the wheel. “We’ll keep an eye on that one.”
The grassy field where Tarakki
