Barron Joseph Orr

China's Three-North Protective Forest Program, known as the Green Great Wall, has reduced desertified land by over 1,000 square kilometers annually since 2000 through techniques like straw checkerboards. Scientists acknowledge progress but warn sustained efforts are needed to maintain gains.

China's Three-North Protective Forest Program, also known as the Green Great Wall, has reduced desertified land in northern China by over 1,000 square kilometers annually since 2000 through techniques like straw checkerboards and tree planting. Scientists acknowledge progress but warn sustained effort is needed to maintain gains against desertification.

China's Green Great Wall project, part of the Three-North Protective Forest Program, has reduced desertified land by over 1,000 square kilometers annually since 2000 using techniques like straw checkerboards. Scientists acknowledge progress but emphasize the need for continued effort to sustain gains.