Alcoa, he said, is working with manufacturers to replace the steel back plates to lessen the load and also to deal with the thermal management.

FORBES: Ali Conf: Consumer Electronics Use Of Aluminum Growing Strongly - Alcoa

For example, the first phase of the EU Emissions Trading program, which contained several design flaws that have since been rectified, has already been found to have reduced emissions by around 100 million tonnes of CO2 mostly by forcing a shift of load from coal to gas power plants and providing an incentive for inefficient coal plants to improve the thermal efficiency of their boilers.

CNN: Your ask the expert: Carbon trading, part 2