China may look like a carbon-guzzling monster, but there's a clean-tech superpower struggling to get out, says Changhua Wu.

The dependency on carbon-based materials and energy sources and the emission of greenhouse gases have been recognized as major problems of the 21st century. Companies are central to the effort to grapple with these issues due to the large material flows they process and their capabilities for technological innovation.

Sub-Saharan Africans cannot begin to help pioneer the future ecological economy today without first studying and working in Western universities, research institutes, and corporations any more than Asians could have helped in pioneering the future information economy three decades ago without first studying and working in such Western institutions.

A highly successful redevelopment of an army base closed as part of the U.S. 1993 Base Realignment and Closure (BRAC) program, Devens