the clearest of these is simple accounting - humans are emitting co2 at a rate twice as fast as the atmospheric increase (natural sinks are absorbing the other half).
the clearest of these is simple accounting - humans are emitting co2 at a rate twice as fast as the atmospheric increase (natural sinks are absorbing the other half).
carbon sink:49
presently, oceans are co2 sinks, and represent the largest active carbon sink on earth, absorbing more than a quarter of the carbon dioxide that humans put into the air.