Natural gas produces only half the carbon-dioxide emissions as coal, but its emissions will grow as it continues to replace coal.
As summers in the Northwest get hotter with climate change, researchers and planners are looking for ways to reduce the health risks in urban hot spots. In Portland, a new map could help.
Environment | World | News | SustainabilityOPB | June 16, 2015 1:45 p.m. | Portland
Portland Mayor Charlie Hales is among 16 mayors from around the world chosen to attend a papal summit on July 21.
Environment | Food | News | SustainabilityAP | April 23, 2015 11:10 a.m.
Seattle Mayor Ed Murray says he is suspending fines for households and businesses that don't compost.