Carbon is essential to all life as it is the main constituent of ... components of the environment is known as the fast carbon cycle. It takes considerably less time for carbon to move through ...

Environmental and Energy Systems Studies, Department of Technology and Society, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden ...

This was the beginning stage of the industry life cycle. In the 21st century, the industry is dominated by a limited number of large, sophisticated chains serving multi-state regions in more of an ...