A retired American teacher plans to reunite with a Chinese farmer he supported in desertification efforts decades ago. He hopes their story of cross-continental cooperation can inspire world leaders to find peace.

A retired American teacher is planning to travel to China in late summer for a reunion with a female farmer he assisted decades ago. In 1999, Ronald Sakolsky, then teaching English in China, was inspired by Inner Mongolian farmer Yin Yuzhen’s battle against desertification and donated US$5,000 to support her tree-planting efforts in the Maowusu Desert. This contribution enabled Yin to plant some of her earliest trees, sowing the seeds of a lasting friendship across continents. Recently, the two...