Countries in the Sahel region of Africa have made little progress on the "Great Green Wall," a 5,000-mile-long band of trees planned for the southern edge of the Sahara Desert. Even where countries ...
Africa's Great Green Wall project began as an ambitious plan to build a 15-kilometer-wide band of trees across the north of ...
Planting trees is a net positive for the climate, but a new study shows tropical regions deliver the strongest cooling and carbon-capturing benefits.