emissions

Attorney General Gentner Drummond joined a lawsuit alongside 22 other states over a methane rule.

Ohio and 16 other Republican-dominated states have sued, asserting that a waiver granted to California to set its own rules violates the basic design of the U.S. Constitution, which they assert should treat states as equals.

The Oklahoma Department of Environmental Quality is working on state plans to meet federal guidelines on reducing emissions.

Fossil fuel emissions have increased steadily for almost two centuries. Now, the world may soon reach an important turning point for climate change.

The Texas A&M Transportation Institute released its annual urban mobility report earlier this summer. The study, which analyzes data from 2022, shows how traffic delays affected commuters in four Oklahoma communities.

The Biden administration says it is imposing the "strongest-ever" tailpipe emission rules to protect public health and fight climate change.

Conservatives attack financial firms that consider environmental, social and corporate governance issues. But companies in red states won't stop trying to operate more sustainably.

The EPA says Americans could save up to $1.1 trillion in gas if the country adopts its proposal to impose the most stringent auto emission regulations ever.

European Union states agreed to a plan after adding an exemption for cars that run on e-fuels. In the U.S., efforts to phase out gas-powered cars include future bans in several states.

Sultan al-Jaber told energy industry power players on Monday that the world must cut emissions 7% each year and eliminate all release of methane.