A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions. Fuel cells are different from most batteries in requiring a continuous source of fuel and oxygen (usually from air) to sustain…

The environmental policy of the first Donald Trump administration represented a shift from the policy priorities and goals of the preceding Barack Obama administration. Where President Obama's environmental agenda prioritized the reduction of carbon emissions through the use of renewable energy with the goal of…

Axpo Holding AG is a Swiss energy company headquartered in Baden, in the Canton of Aargau, and the parent company of the Axpo Group. Established in 2001 through the reorganisation of the former Nordostschweizerische Kraftwerke AG (NOK), it is wholly owned by the cantons of northeastern Switzerland and their cantonal…

TotalEnergies SE is a French multinational integrated energy and petroleum company founded in 1924 and is one of the seven supermajor oil companies. Its businesses cover the entire oil and gas chain, from crude oil and natural gas exploration and production to power generation, transportation, refining, petroleum…

Leadership in Energy and Environmental Design (LEED) is a green building certification program used worldwide. Developed by the non-profit U.S. Green Building Council (USGBC), it includes a set of rating systems for the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods,…

Although Alberta has a presence in many industries such as agriculture, forestry, education, tourism, finance, and manufacturing, the politics and culture of the province have been closely tied to the production of fossil energy since the 1940s. Alberta—with an estimated 1.4 billion cubic metres of unconventional oil…

In February 2021, the state of Texas suffered a major power crisis, which came about during three severe winter storms sweeping across the United States on February 10–11, 13–17 (known as Winter Storm Uri), and 15–20. The storms triggered the worst energy infrastructure failure in Texas state history, leading to…

The 2026 Iran war fuel crisis is a worldwide fuel crisis caused by the war between Iran and the U.S.-Israel coalition. The closure of the Strait of Hormuz, through which over 20% of the world's oil trade passes, and attacks on energy infrastructure in Iran and several Gulf Cooperation Council countries led to a large…

The Denver Federal Center, in Lakewood, Colorado, is part of the General Services Administration (GSA) and is home to about 6,200 employees of agencies of the federal government of the United States. The center encompasses an area of about 670 acres (2.7 km2) and has 90 buildings with over 4 000 000 square feet (370…

A data center is a physical room, building, or facility for storing, managing, and disseminating data and information, including computer systems and associated components, housing IT infrastructure, and training artificial intelligence. The United States' act of Congress, the Energy Independence and Security Act of…