Renewable energy (also called green energy) is energy made from renewable natural resources that are replenished on a human timescale. The most widely used renewable energy types are solar energy, wind power, bioenergy/biomass, and hydropower.

Renewable energy commercialization involves the deployment of three generations of renewable energy technologies dating back more than 100 years. First-generation technologies, which are already mature and economically competitive, include biomass, hydroelectricity, geothermal power and heat.

According to data from the US Energy Information Administration, renewable energy accounted for 17.8% of total primary energy production and 22.7% of total utility-scale electricity generation in the United States in 2024, up from 8.4% and 21% in 2022. Since 2019, wind power has been the largest producer of renewable…

The Vaillant Group is a company that develops products for heating, cooling and hot water. The company employs ~16,000 people worldwide and generates an annual turnover of approximately 3.2 billion euros.

Iceland is a world leader in renewable energy. 100% of the electricity in Iceland's electricity grid is produced from renewable resources.

Helium (from Ancient Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table.

The anti-nuclear movement is a social movement that opposes various nuclear technologies. Some direct action groups, environmental movements, and professional organisations have identified themselves with the movement at the local, national, or international level.

Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU). The company is headquartered at Kaiser Center, in Oakland, California.

Italian inventions and discoveries are objects, processes or techniques invented, innovated or discovered, partially or entirely, by Italians. Italian people – living in the Italic peninsula or abroad – have been throughout history the source of important inventions and innovations in the fields of writing, calendar,…