The damaging effects of carbon dioxide emissions from tourism could eventually be eliminated if travelers paid just US$ 11 per trip, according to a new study. (sciencedaily.com)
It is clear that continuing to rely on fossil fuels will have catastrophic results, because of the dramatic warming effect of carbon dioxide. (newscientist.com)
It has 23 times the greenhouse effect of carbon dioxide over 100 years. (gracelinks.org)