The U.S. Department of Energy is conducting a review of environmental risks associated with developing hydrogen projects in the Pacific Northwest, focusing on the production, distribution, and utilization of green hydrogen. The Northwest region, designated as a 'regional hydrogen hub,' aims to leverage green hydrogen as a clean energy source to mitigate climate-warming emissions in sectors reliant on fossil fuels. The hub has secured approximately $1 billion in federal funding for proposed projects, including hydrogen production facilities, distribution pipelines, and initiatives to promote hydrogen-powered transportation. By replacing fossil fuels with green hydrogen, the hub could potentially prevent up to 1.7 million metric tons of carbon dioxide from being emitted annually, contributing significantly to emission reductions. However, challenges such as high renewable energy prices, a lack of demand, and delays in federal support have impeded the progress of the hydrogen projects in the Northwest, underscoring obstacles in the transition to clean energy and decarbonization efforts.