China’s ‘Green Wall’ Drains Its Water

Reforesting 78B trees reshaped China's rains.

View in Browser  DIGITAL ISSUES GEAR REVIEWS SUBSCRIBE China Planted 78 Billion New Trees—and Seriously Messed Up Its Water Cycle China's planted a bunch of new trees since 1981, but that extra foliage is shifting more precipitation to some areas while drying out others. Read More 500 Years Later, Scientists Prove That Leonardo da Vinci's Bridge Design Works If accepted at the time, the design would have likely revolutionized architecture. Read More Archaeologists Broke Open the Great Wall of China—and Found a Treasure Trove of Artifacts The discovery's highlight was a 247-pound cannon from the Ming dynasty, but archaeologists also found remains of crops and turquoise pieces. Read More Archaeologists Opened an Ancient Tomb—and Found a Story of Royal Tragedy A crown was left with the deceased, but its position indicated her reign may not have ended the way she would have liked. Read More No, AI is Not Coming for Your Tools. At Least Not Yet, Anyway. Smart features are not the same as AI. Read More A New Material Could Finally Unlock the Incredible Power of Supercapacitors By creating a new graphene material, engineers were able to facilitate the movement of ions and increase the power and energy capacity of their supercapacitors. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Manage Preferences | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2025 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779