The U.S. Department of Energy is initiating an environmental review process for green hydrogen projects in the Pacific Northwest, a region designated as one of the new 'regional hydrogen hubs.' This review will assess the possible adverse effects of developing hydrogen projects and the implications of their infrastructure on the environment. The projects aim to promote the production and distribution of green hydrogen energy, which can be generated without emitting greenhouse gases, making it a crucial clean energy source for sectors that are challenging to electrify. The Pacific Northwest Hydrogen Hub, comprising Washington, Oregon, and Montana, secured approximately $1 billion in federal funding for the upcoming decade to support various hydrogen-related initiatives. These projects include establishing hydrogen production facilities, distribution pipelines, storage infrastructure, and promoting the adoption of hydrogen-powered vehicles like trucks and buses, as well as setting up refueling stations. The potential environmental impact is significant, with estimates suggesting that the hub could prevent up to 1.7 million metric tons of carbon dioxide emissions annually, equivalent to removing 400,000 gasoline-powered cars from the roads each year. However, the Northwest Hub has encountered obstacles such as the soaring costs of renewable energy required for green hydrogen production, a lack of market demand, and uncertainties surrounding federal incentives meant to encourage investment in the hydrogen industry. Despite these challenges, the development of green hydrogen projects in the Pacific Northwest holds promise for advancing the region's energy transition and reducing carbon emissions from hard-to-electrify sectors. The public engagement and environmental review process initiated by the U.S. Department of Energy demonstrate a commitment to assessing the sustainability and feasibility of hydrogen initiatives in the region.