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Continue to ChatBritish Researchers Pump CO2 Gas in a Forest to See How Trees Cope with Rising Levels of the Green House Gas https://doonwire.com/category/news/british-researchers-pump-co2-gas-in-a-forest-to-see-how-trees-cope-with-rising-levels-of-the-green-house-gas-free-air-carbon-dioxide-enrichment-FACE-17062201