To shade out rivals, plants make much more chlorophyll than they need(Image: Jonnie Miles/Getty)
From New Scientist:
Many vital crops capture the sun's energy in a surprisingly inefficient way. A borrowed trick or two could make them far more productive
Take a look around you. All the organic things you see, from your hands to the leather of your shoes to the wood in your table, are built of strings of carbon atoms. So too is the petrol in your car and the coal in your local power station. All this carbon came from thin air, from carbon dioxide in the atmosphere.
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