Questions remain about how much of the scoping plan can be implemented through agency rulemaking and what will require new legislation.

An effort to reopen Washington’s last standing aluminum plant with a lower carbon footprint faltered after BPA declined to guarantee low-cost energy.

The owner of Washington’s only non-utility gas-fired plant filed a suit over what it claims is discriminatory treatment in the state’s cap-and-trade program.

The California Air Resources Board approved a climate change scoping plan that charts a course for the state to achieve carbon neutrality by 2045.

California regulators released an updated net zero proposal that Gov. Gavin Newsom says will unleash an "economic transformation" in the state.

With the midterm election outcome at the time still uncertain, Democrats and Republicans attending COP27 offered differing visions for reducing U.S. emissions.

Scientists and engineers from two national labs began a four-year project with locomotive maker Wabtec aimed at using hydrogen in diesel-electric train engines.

California’s GHG emissions dropped 8.7% in 2020, a decline that’s largely due to the impact of the COVID-19 pandemic, according to a new report.

Decarbonizing the hardest-to-decarbonize industries will likely entail learning lessons from past failures, according to panelists at the RFF summit.

The summit dug into the economics and politics surrounding net-zero initiatives, the progress being made and the inertia that continues to slow the transition.