“A number of bisexual people prefer to use the bisexual crescents (also called the double moon) instead of the bi triangles as their community symbol, as they want to avoid using a symbol that derives from the pink triangle, which was used to tag and persecute homosexual people in the Nazi regime. This symbol was created by Vivian Wagner with a team in 1998.”
from — from — LGBTQIA fandom.com
“Biomethane is an energy dense, storable, and flexible energy source with a high greenhouse gas saving potential and the ability to generate negative emissions.”
from — Biomethane – gas for Climate 2050. (n.d.).
“The methane in biogas is 28[15] times more potent a greenhouse gas than carbon dioxide. Therefore, uncontained landfill gas, which escapes into the atmosphere may significantly contribute to the effects of global warming. In addition, volatile organic compounds (VOCs) in landfill gas contribute to the formation of photochemical smog.[16]”
from — Wikipedia
“A bio-digester is a mechanized toilet that uses decomposition and sedimentation to turn human waste into a renewable fuel called biogas.”
from — Wikipedia contributors. (2025v, December 4). Biofuel. Wikipedia.
“Bioenergy with carbon capture and storage (BECCS) is the process of extracting bioenergy from biomass and capturing and storing the carbon dioxide (CO2) that is produced.”
from — Wikipedia contributors. (2025i, September 9). Bioenergy. Wikipedia.
“As the Trump administration’s freeze on key regulations and incentives continues, and regressive policies for sustainability are implemented, it seems likely that SAF production will experience major setbacks, making it increasingly difficult for the aviation industry to meet its ambitious goals.”
from — International Airport Review. (2025, July 31). Trump’s Policies impact on U.S. Sustainable Aviation Fuel.