Which of the following activities promotes forest conservation?

Afforestation is an activity that promotes forest conservation. Afforestation involves the planting of new trees in areas where there was no forest before. This activity helps to increase the forest cover, which provides a habitat for many species of animals and plants, helps to reduce soil erosion, and prevents flooding. Additionally, afforestation helps to combat climate change by absorbing carbon dioxide from the atmosphere. Therefore, afforestation is an important activity that promotes the conservation of forests. The other options listed in the question, such as lumbering, use of firewood for cooking, and production of paper, can contribute to deforestation and degradation of forests.