Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text. The English language draws a terminological distinction (not all languages do) between translating (a written text) and interpreting (oral or sign-language communication between users of different languages); under this distinction, translation can begin only after the appearance of writing within a language community.
Bioenergy produced from refined biomass can reduce emissions that contribute to climate change while providing energy security. Cooperative funding of the most promising projects should lower costs and increase sustainability.