...are in fact not required. Temperatures on Earth are kept to a reasonable habitable level by the release and capture of carbon dioxide (CO2). After it is released from the ground, it is then returned to the subsurface when it has been sequestered into...
... is one of the Essential Climate Variables (ECV) listed by the World Meteorological Organization (WMO). Phytoplankton pull carbon dioxide from the atmosphere for photosynthesis and a given population of phytoplankton can double its numbers in a day...
... team, was that the microbial communities under the glaciers could combine that hydrogen gas with carbon dioxide to generate biomass. Biomass is biological material derived from living, or recently living organisms that can be used to generate...
..., unlike Mercury, are far enough from the Sun to have retained at least their heavier constituents like carbon dioxide. Endeavour Crater, with Pillinger Point in the foreground, as viewed in false colour by NASA’s Mars Exploration Rover Opportunity...
... stars. The first abiotic method identified to produce this result is when a star's ultraviolet (UV) light splits apart carbon dioxide (CO2) molecules, freeing some of the oxygen atoms to form into O2, the kind of oxygen present in Earth's atmosphere...
... for Earth, and this makes it necessary to regulate the carbon dioxide level to prevent fluctuations. To achieve this, some biomass will...then burned cleanly at the right rate to keep the carbon dioxide level optimal for plants and people. Just as on ...