by Pat, 8 July 2014 | 0 comments
You may have heard a climate scientist talking about ‘parts per million’ or ppm. If you want to get a handle on what that means, and how much CO2 is in our atmosphere, you’ve come to the right place!
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by David Shaw, 14 March 2013 | 1 comments
The measurements in this recipe are in non-metric units. You will need to change them into metric before you can make the recipe!
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