Planting trees to get to net zero would need land five times the size of India Reforestation may not be enough for corporations to achieve carbon offsetting goals as there is not enough land, according to study 3 August 2021 • 6:00am Meeting global net zero carbon commitments could require tree planting on land equivalent to five times the size of India, a new report has said. More than 120 countries and hundreds more corporations have made commitments to be net zero by the middle of this century, which entails offsetting unavoidable emissions with new technologies or nature-based methods that suck up carbon. However, relying on tree planting to meet those goals was “mathematically impossible” because there was not enough land, a new report from Oxfam said.