Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

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B

biomass (solid biofuels)

organic, non-fossil material of biological origin, which may be used for heat production or electricity generation. It includes: charcoal; wood and wood waste; black liquor, bagasse, animal waste and other vegetal materials and residuals

https://ec.europa.eu/eurostat/web/interactive-publications/energy-2023#


C

carbon footprint

the total greenhouse gas (GHG) emissions caused directly and indirectly by an individual, organization, event or product.”1 It is calculated by summing the emissions resulting from every stage of a product or service’s lifetime (material production, manufacturing, use, and end-of-life).

Center for Sustainable Systems, University of Michigan. 2023. "Carbon Footprint Factsheet." Pub. No. CSS09-05.


climate change

can be defined as the shift in climate patterns mainly caused by greenhouse gas emissions

Fawzy, S., Osman, A.I., Doran, J. et al. Strategies for mitigation of climate change: a review. Environ Chem Lett 18, 2069–2094 (2020). https://doi.org/10.1007/s10311-020-01059-w


G

geothermal energy

the energy available as heat from within the earth’s crust, usually in the form of hot water or steam.

https://ec.europa.eu/eurostat/web/interactive-publications/energy-2023#


greenhouse gases


H

hydrogen

is the most abundant element available on our planet, two-thirds of which is water. This element can be used as a zero-carbon fuel if we separate it.

https://www.greenmatch.co.uk/blog/2021/09/advantages-and-disadvantages-of-renewable-energy#types-of-renewable-energy


hydropower/hydroelectric

the electricity generated from the potential and kinetic energy of water in hydroelectric plants (the electricity generated in pumped storage plants is not included)

 https://ec.europa.eu/eurostat/web/interactive-publications/energy-2023#


L

low-emission strategies

cover a range of approaches aimed at reducing greenhouse gas emissions and pollutants released into the atmosphere. They are implemented across different sectors, focusing on minimizing emissions from human activities. They are commonly deployed in areas such as improving public transport systems and enhancing energy efficiency practices.

Honegger, M.; Michaelowa, A.; Poralla, M. Net-zero emissions: The role of Carbon Dioxide Removal in the Paris Agreement. Policy Briefing Report. Perspectives Climate Research, Freiburg 2019


P

photovoltaic (PV)

technology is the most efficient technique to convert radiant energy into electrical energy. Solar cells are photoelectric energy conversion devices that employ the photoelectric effect to convert sunlight to electricity. Solar cells and associated components make up a photovoltaic system

Saleh W.H., Jadallah A.A., Shyraiji A.L. (2022): A Review for the Cooling techniques of PV/T Solar Air Collectors. Engineering and Technology Journal, 40(01): 129-136.  DOI:10.30684/etj.v40i1.2139


R

renewable energy sources

energy sources whose use is not associated with long-term deficit, because their resources are renewed in a relatively short time (renewable raw materials). Such sources are: sun, wind, biomass, biogas and biofuels. Renewable energy also includes heat obtained from the ground (geothermal energy), air (aerothermal energy), and water (hydrothermal energy).  Renewable energy plays a vital role for saving environment

Hamed, T. A., and A. J. J. O. S. D. O. E. Alshare. 2022. Water, and E. Systems, environmental impact of solar and wind energy-a review. Journal of Sustainable Development of Energy, Water and Environment Systems 10 (2):1–23. doi:10.13044/j.sdewes.d9.0387



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