September 12, 2017, 11am PDT
Over the span of history, agricultural uses have released nearly as much carbon into the atmosphere as actual deforestation. New problem areas are still appearing in places like Brazil.
January 28, 2013, 9am PST
As new studies show the fundamental connection between trees and human health, cities are recognizing the essential elements in cultivating thriving urban canopies. And they're enacting policies to ensure their protection and growth.
July 10, 2012, 9am PDT
Leda Marritz notes that renderings of proposed landscape improvement projects often feature beautiful mature trees intended to spruce up streetscapes. But the associated plans regularly overlook a crucial element: room for the trees to grow.
September 5, 2009, 5am PDT
As environmental conditions erode sand along the tourist-heavy beaches in Cancun, some hotel owners are taking drastic -- and illegal -- measures to rebuild their beaches.
January 6, 2009, 9am PST
Degradation of soils has brought down many human civilizations. Our current industrial agriculture practices threaten the future of human existence. A 50-year farm bill is needed to guide policy on a more sustainable path, according to this oped.