is a layer of gases surrounding a planet or other material body of sufficient mass that is held in place by the gravity of the body. An atmosphere is more likely to be retained if the gravity is high [..]

 kg of CO2 saved with a saving of € 8.785.732

 is any energy source that is an alternative to fossil fuel. These alternatives are intended to address concerns about such fossil fuels. The nature of what constitutes an alternative energy source ha [..]

 (from Greek ἄνθρωπος, ánthrōpos, "human being"; and κέντρον,kéntron, "center") is the belief that human beings are the central or most significant species on the planet (in the se [..]

 is the chemical dissolution of materials by bacteria, fungi or other biological means. Although often conflated, biodegradable is distinct in meaning from compostable. While biodegradable simply mean [..]

 is the degree of variation of life. It is a measure of the variety of organisms present in different ecosystems. This can refer to genetic variation, ecosystem variation, or species variation (number [..]

 is biological material derived from living, or recently living organisms. It most often refers to plants or plant-based materials which are specifically called lignocellulosic biomass. As an energy s [..]

 is the global sum of all ecosystems. It can also be termed the zone of life on Earth, a closed system (apart from solar and cosmic radiation and heat from the interior of the Earth), and largely self [..]

 (chemical formula CO2) is a naturally occurring chemical compound composed of two oxygen atoms each covalently double bonded to a single carbon atom. It is a gas at standard temperature and pressure  [..]

 (CDE) and Equivalent carbon dioxide (CO2e): are two related but distinct measures for describing how much global warming a given type and amount of greenhouse gas may cause, using the functionally eq [..]