Land-based carbon dioxide removal includes reforestation, soil management, and carbon farming. Studies investigate the effectiveness, scalability, and trade-offs of these approaches in offsetting agricultural emissions.
The global technical potential of terrestrial C sequestration is some 333 billion tonnes of C by the end of the twenty-first century, equivalent to atmospheric CO2 drawdown of 156 ppm. This drawdown from the land sector will inevitably offset emissions from other activities which release emissions – especially those which are most difficult to transition to low/zero emissions technologies. Furthermore, if global emissions are smaller (in magnitude) than carbon sequestration, the earth’s emissions will be in a net negative situation, whereby atmospheric GHG concentration (as CO2-e) will decline.
