Earth
Ancient climate change picked the crops we eat today
A spike in CO2 in the atmosphere after the last ice age may explain the choice of plants humans now cultivate for food, such as wheat and barley
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A spike in CO2 in the atmosphere after the last ice age may explain the choice of plants humans now cultivate for food, such as wheat and barley
There's no new consensus that climate is less sensitive to atmospheric CO2 than previously thought, despite claims that the IPCC now thinks otherwise