John Lin

Methane emissions: Falling, but leaking

The longest continuously monitored methane emissions record shows how market forces and oilfield practices can impact greenhouse gas emissions.


Taking greenhouse gas analysis on the road, er, rails

One train-mounted air quality sensor can cover the same area as 30 stationary sensors.


A view over a hazy city stretching into the horizon.

NASA satellite offers urban carbon dioxide insights

Using data from NASA’s Orbiting Carbon Observatory-2, researchers found connections between the population density of cities and how much carbon dioxide they produce per person.


A new view of wintertime air pollution

A new study could help improve air quality in Salt Lake City and other cities across the U.S. West.