The upfront costs of Ontario's electricity conservation programs are lower than some candidates for provincial office are alleging.

Anesthetics commonly used in medical, dental and veterinary surgery have global warming potential ranging from 130 to 2,540 times greater than carbon dioxide, but are largely overlooked when greenhouse gas emissions are officially tallied.

Renovations can often make a building more energy-efficient; however, they can also exacerbate indoor health risks.