Lighting also accounts for a significant share of the electricity consumed by the typical U.S. household.

FORBES: The Case for Keeping the Lights On

In the United States, artificial lighting accounts for roughly 40% of the energy consumed annually by commercial buildings.

FORBES: The Case for Keeping the Lights On

Right now, wastewater treatment accounts for roughly three percent of the electricity consumed in the U.S. but not for long.

FORBES: Better Than A Kite In A Thunderstorm: The New Science Of Generating Zap From Trash

"There are small but significant amounts of these foods on the Australian market -- around 1000 tonnes per annum, which accounts for only 0.2 per cent of beef consumed annually in Australia, " Smallwood said.

CNN: European beef ban spreads