January 16, 2017, 11am PST
So far four cities in California require solar panels on all new residential construction, with San Francisco as the most populous example. A proposed law would expand that requirement to the rest of the state.
June 20, 2016, 10am PDT
A design fix helps Brooklyn brownstones go green.
December 22, 2015, 10am PST
Can wind power gain the popularity of rooftop solar? A Brooklyn start-up is betting it can with the leasing of turbines, particularly to farmers and rural residents.
The New York Times - Energy & Environment
August 31, 2015, 6am PDT
Currently in its early stages, Project Sunroof tracks how much sun every roof receives. Then it estimates the costs and savings if rooftop solar were installed. Right now, the tool only covers the Bay Area, Fresno, and Boston.
October 8, 2014, 2pm PDT
A new app out of MIT provides property owners with detailed information about the solar potential of their roofs. The app is currently at work in five cities.
January 4, 2014, 11am PST
2013 was a historic year for rooftop solar installation across the United States, and in California in particular. The Golden State added as much rooftop solar capacity as was installed over the prior 30 years combined.
October 10, 2013, 10am PDT
In the last week to sign bills, Gov. Jerry Brown signed AB 327 that allows utilities to charge all ratepayers for costs incurred to the grid by rooftop solar and allows those who have it to 'run the meter backwards', known as net metering.