(A) Photosynthesis in land plants fixes atmospheric CO2 (inorganic carbon) as organic carbon ... energy-rich food molecules and to produce oxygen.

However, photosynthesis doesn't just drive the carbon cycle — it also creates the oxygen necessary for respiring organisms. Interestingly, although green plants contribute much of the oxygen in ...

Billions of years ago, Earth was home to extreme environments, including intense UV radiation, frequent volcanic eruptions, and very high concentrations of carbon dioxide in the atmosphere. Yet, under ...

Simple cycle gas turbines provide efficiency levels of around 35% to 40%. Combined cycle units boost efficiency to 60% and ...

Using high-precision dating of geologic regions, scientists have found evidence that one of the most significant warming ...

The Earth as a planet can sustain life, because of the presence of Hydrogen and Oxygen, or in more simple terms, the presence ...

Find how thawing permafrost releases greenhouse gases, amplifying global warming and impacting climate change.

Carbon, nitrogen, oxygen, and water are essential for composting. Turning the pile is required to include oxygen. The bad ...

The U.S. Department of Energy estimates that reaching its climate-policy energy goals will rely on capturing and storing ...

One in three US adults don’t get enough iron, which has a major effect on getting oxygen around your body. Find out how this ...

Dead organisms are eaten by decomposers and carbon in their bodies is returned to the atmosphere as carbon dioxide. In some conditions decomposition is blocked. The plant and animal material may ...

Pathways Alliance says a carbon capture pipeline will help fight climate change. Residents of St. Paul, Alberta, worry about ...