Global warming is real and a threat to the world's animal population. The year 2004 was the fourth hottest on record, extending a trend since 1990. If we continue to emit greenhouse gases at our current pace, our earth's temperature is projected to skyrocket by as much as 10º F in the next 100 years.

Use compact fluorescent lights rather than incandescent. They cost more but save you money down the road and conserve energy.