Laughing Gas: The Latest Threat to the Ozone Layer

Humankind doesn’t have a great track record when it comes to cleaning up environmental messes, but there was one time we really outdid ourselves. That was back in 1989, when over 190 nations signed the Montreal Protocol, phasing out the use of chlorofluorocarbons

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Homework for Kids: Maybe Not Such a Big Load After All

You’ve probably heard the bad news about homework: kids are working longer hours than ever before, and it’s driving them nearly insane. At least one major book has made this argument, as have numerous news articles like this one and this one.

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Study: Global warming sparked by ancient farming methods

Ancient man may have started global warming through massive deforestation and burning that could have permanently altered the Earth’s climate, according to a new study by researchers at the University of Virginia and the University of Maryland-Baltimore County. The study, published in the scientific journal Quaternary Science Reviews and reported on the University of Virginia’s Web site, says over thousands of years, farmers burned down so many forests on such a large scale that huge amounts of carbon dioxide were pumped into the atmosphere. That possibly caused the Earth to warm up and forever changed the climate

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