sonnen GmbH (proprietary name and abbreviated form: sonnen) is a company in the energy industry headquartered in Wildpoldsried in the district of Oberallgäu, Germany. It produces home energy storage systems for private households and small businesses.

Electric car use by country varies worldwide, as the adoption of plug-in electric vehicles is affected by consumer demand, market prices, availability of charging infrastructure, and government policies, such as purchase incentives and long term regulatory signals (ZEV mandates, CO2 emissions regulations, fuel economy…

Climate change mitigation, also called decarbonisation, is an action to limit the greenhouse gases in the atmosphere that cause climate change. Climate change mitigation actions include conserving energy and replacing fossil fuels with clean energy sources.

Engie SA (stylised in all caps as ENGIE) is a French multinational electric utility company, headquartered in La Défense, Courbevoie. Its activities cover electricity generation and distribution, natural gas, nuclear power, renewable energy, district energy, and the petroleum industry.

The electricity sector in New Zealand uses almost entirely renewable energy, such as hydropower, geothermal power and increasingly wind energy. In the fourth quarter of 2025, the country generated 96.4% of its electricity from renewable sources.

A bifacial solar cell (BSC) is a photovoltaic solar cell that can produce electrical energy from both front and rear side. In contrast, monofacial solar cells produce electrical energy only when photons are incident on their front side.

Field Marshal Horatio Herbert Kitchener, 1st Earl Kitchener (; 24 June 1850 – 5 June 1916) was a British Army officer and colonial administrator. Kitchener came to prominence for his imperial campaigns, his involvement in the Second Boer War, and his central role in the early part of the First World War.

In 2021, net greenhouse gas (GHG) emissions in the United Kingdom (UK) were 427 million tonnes (Mt) carbon dioxide equivalent (CO2e), 80% of which was carbon dioxide (CO2) itself. Emissions increased by 5% in 2021 with the easing of COVID-19 restrictions, primarily due to the extra road transport.

Ottmar Georg Edenhofer (born 8 July 1961) is a German economist who is regarded as one of the world's leading experts on climate change policy, environmental and energy policy, and energy economics. His work has been heavily cited.

James Connolly (Irish: Séamas Ó Conghaile; 5 June 1868 – 12 May 1916) was a Scottish-born Irish republican, socialist, and trade union leader, executed for his part in the 1916 Easter Rising against British rule in Ireland. He remains an important figure both for the Irish labour movement and for Irish republicanism.