From Jordan’s first botanic garden to a Korean forest reborn. Here are 4 world-class nature projects

The world’s nations have pledged to restore 1 billion hectares of degraded land - an area larger than China. The UN’s World Restoration Flagships highlight the most ambitious and promising nature-restoration projects worldwide. Here, we profile four of them, including a Jordanian botanic garden, fast-growing bamboo, and the revival of Korea's fire-damaged forests. 1t.org is the World Economic Forum’s platform for the trillion trees community. It aims to conserve, restore and grow 1 trillion trees worldwide by 2030.