A. Reducing energy costs
B. Reducing equipment costs
C. Reducing e-waste
A. No
B. Yes
A. Too much lighting can irritate people on a physiological level.
B. It takes too long to switch them all on and off.
C. Too much lighting generates more heat.
A. Power generating installations based on natural sources of energy, such as solar panels and windmills.
B. Natural gases produced by rainforests which work against the formation of carbon dioxide (CO2).
C. Certificates that represent the payment for some activity that reduces greenhouse gas emissions.