Will Evans

Aghorn pleaded guilty and paid a $1 million fine after a worker and his wife were killed by toxic hydrogen sulfide in 2019. Regulators are still finding violations at its facilities.

Exxon, Occidental and Diamondback are among those touting efforts to end routine gas flaring, but their flames keep spewing pollution around the world.

A World Bank report found global flaring rose for a third straight year in 2025, spewing air pollution linked to preterm births and respiratory diseases.

Funded by the maple industry, a researcher has exaggerated his findings to suggest that syrup could help prevent serious diseases.

Legislators respond to The Examination and Houston Chronicle investigation of oil companies leaking hydrogen sulfide near families and schools.

Hydrogen sulfide, or H2S, is a poisonous gas that saturates the Permian Basin of West Texas and other oil-production regions. Here's how leaks happen and why they can be dangerous.

Tens of thousands of people live close to oil and gas wells where they risk exposure to hazardous levels of hydrogen sulfide. Regulators do little to protect them.