Selected as one of IPS News Hot Stories of 2006:
That’s the current concentration of carbon dioxide going into your lungs with each breath. Our parents or grandparents’ first breaths at birth contained about 290 parts per million (ppm), as it was for everyone born before them.
What does it really mean when in the not so distant future our children or grandchildren will inhale 450, perhaps 500 ppm or more of carbon dioxide?
Evidently, breathing in a bit more carbon dioxide (CO2) isn’t bad for human health — oxygen at sea level is 200,000 ppm, after all — but the changing atmosphere is having profound impacts on the climate of the planet.
The changing climate has many consequences, among them the potential loss of ancient ruins in Thailand, coral reefs in Belize, 13th century mosques in the Sahara, the Cape Floral Kingdom in South Africa and other irreplaceable natural and historic sites around the world, experts reported this week.
— More at Mosques to Mollusks story published Nov 10 2006.
— See also IPS News Top Stories of 2006
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