Science News from research organizations 1 . 2 . Increasing carbon dioxide in the atmosphere teaches old oaks new tricks . Date: October 4, 2021 Source: University of Birmingham Summary: Mature oak trees will increase their rate of photosynthesis by up to a third in response to the raised CO2 levels expected to be the world average by about 2050, new research shows. Share: FULL STORY Mature oak trees will increase their rate of photosynthes...