March 24, 2017, 7am PDT
As President Trump rolls back climate and energy regulations, many states are attempting to require utilities to get more power from renewable sources. Also, fewer states are attempting to reduce or eliminate renewable energy requirements.
December 27, 2016, 6am PST
California's loss is Arizona's gain. That's how Arizona Gov. Doug Ducey see's Uber's decision on Thursday to haul their fleet of self-driving Volvos from San Francisco to Arizona after the company refused to secure the necessary operating permits.
August 6, 2015, 1pm PDT
A researcher in Pittsburgh could render obsolete the arduous task of manually inspecting streets for cracks and potholes.
January 24, 2012, 12pm PST
Mackenzie Carpenter has written an engaging profile of David Lewis, the community planning pioneer whom Richard Florida calls the 'Jane Jacobs of Urban Design,' as he celebrates his 90th birthday.