Methane Study-Banner-1001

Methane Study-Banner-1001

Methane Study-Banner-1001

Zach Barkley, then a research assistant, attaches a GPS device and an intake tube to the roof of the research team's car before heading out on the rural roads of Pennsylvania. The researchers are analyzing the amount and sources of methane in the air. Barkley is now a doctoral student.

IMAGE: Patrick Mansell