Indo-Asian News Service: Scientists are on the verge of overcoming a major hurdle in calculating how much carbon is absorbed and released by plants. The information could be vital for understanding how the biosphere responds to stress and in determining the amount of carbon that can be safely emitted by human activities. The problem is that ecosystems simultaneously absorb and release carbon dioxide (CO2). The key finding is that the compound carbonyl sulfide, which plants consume in tandem with CO2, can be …