Why is China quietly helping Africa build a Great Green Wall across the Sahara?
This battle can be won': desert expert reveals how China's technology, funding and strategies aid ambitious environmental ...
This DC building has a 2-story ‘green wall’ of living plants
One of D.C.’s newest trophy office buildings now has the city’s biggest green wall. 17xM, a 334,000-square-foot, 11-story building at 1150 M Street, N.W., includes a two-story, 1,500-square-foot, self ...