Articles by Senior Staff Writer Naveena Sadasivam

The Permian Basin is ground zero for a billion-dollar surge of zombie oil wells

How we calculated the size of the Southwest’s abandoned oil well problem

Using machine learning, we found that states are grossly undercounting orphan wells.

‘No teeth and no funding’: How regulators failed to police the oil industry

Thirty years of data show Texas and New Mexico officials struggled to identify and fine violators.

One researcher’s quest to quantify the environmental cost of abandoned oil wells

Unplugged wells could be quietly leaking millions of pounds of methane in West Texas.