This warmth is a gift to your plants when the day wanes ... favorite blooms brimming over a beautifully crafted stone wall.

In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and ...

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 ...