The United Nations Conference on Environment and Development, also known as Earth Summit, held in June of 1992, in Rio de Janeiro, bringing together more than 180 countries. It was at Rio-92 that the United Nations Framework Convention on Climate Change (UNFCCC) was opened for signature.
Diffusion in the oceans
The process through which the atmosphere and water continuously exchange molecules of carbon dioxide. The diffusion of carbon dioxide into the oceans accounts for almost half of the carbon extracted from the atmosphere. The colder oceans absorb more CO2 than warmer...