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Are blackboards greener than whiteboards?
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Are blackboards greener than whiteboards?
Website URL:
http://www.slate.com/articles/health_and_science/the_green_lantern/2009/09/i_will_be_good_to_the_planet_i_will_be_good_to_the_planet_i_will_be_good_to_the_planet.html
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Chemical Equipment Parts
The Lantern was surprised to discover that the boards themselves are going to be more or less the same whether you're writing in chalk or dry-erase ink.
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