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    • Contract Price for Solar Electricity Hits a Low January 19, 2018
      Subtitle:  The Carrizozo project in New Mexico will sell electricity for 4.5 cents per kilowatt hour when it comes online in March Images:  The contract price for electricity from a new solar-electric facility in New Mexico is the lowest for distributed photovoltaic(PV) Generation of electricity directly from sunlight. A photovoltaic cell has no moving parts; […]
      Scott Gibson
    • New York Mayor Challenges Oil Companies January 16, 2018
      Subtitle:  The city’s plan would drop $5 billion in fossil fuel holdings from city pension funds while suing major oil companies Images:  State and regional leaders trying to fill a leadership void in combating climate change now include New York City Mayor Bill de Blasio, who last week announced that the city would revamp city […]
      Scott Gibson
    • Tesla Begins Solar Roof Production January 12, 2018
      Subtitle:  After long delays, the company begins making some versions of its glass roofing tiles in a new Buffalo factory Images:  Tesla has started manufacturing its long-awaited photovoltaic(PV) Generation of electricity directly from sunlight. A photovoltaic cell has no moving parts; electrons are energized by sunlight and result in current flow. (PVPhotovoltaics. Generation of electricity […]
      Scott Gibson
    • Electric Cars Had a Good Year January 9, 2018
      Subtitle:  Sales rose by 30%, but electric vehicles still represent a very small percentage of total sales Images:  Sales of electric cars were headed for a 30% increase in 2017, but the number of electric and plug-in hybrids sold last year is still a tiny slice of the market and, according to one marketing study, […]
      Scott Gibson
    • Denver’s Green Roof Ordinance Kicks In January 5, 2018
      Subtitle:  A city panel will discuss changes to the new law as its impact comes into sharper focus Images:  A citizen-sponsored ordinance requiring rooftop vegetation on large, newly constructed buildings in Denver took effect with the start of the new year, but a city task force already is in the works and is likely to […]
      Scott Gibson
    • Canada Sees Rise in Passivhaus Multifamilies January 3, 2018
      Subtitle:  Low heating bills and modest operating costs make them a good fit for affordable housing Images:  Reduced energy demands coupled with a national effort to reduce carbon emissions are making affordable housing projects built to the PassivhausA residential building construction standard requiring very low levels of air leakage, very high levels of insulation, and […]
      Scott Gibson
    • North Carolina Reverses Building Code Changes December 29, 2017
      Subtitle:  After a homebuilders association objects to the cost of new energy conservation standards, a state panel strikes some changes from the books Images:  Last June, the North Carolina agency responsible for making changes in state building codes voted in tougher energy efficiency standards for new residential construction. By December, on the urging of the […]
      Scott Gibson
    • EPA Ordered to Speed Up New Lead Rule December 28, 2017
      Subtitle:  A federal appeals court says the current rules are inadequate to protect children Images:  A federal appeals court has ordered the Environmental Protection Agency to speed up the development of new rules on lead found in paint and dust in light of an "obvious need" to protect the health of children. read more
      Scott Gibson
    • Tax Overhaul Keeps Breaks for Wind and Solar December 21, 2017
      Subtitle:  But if you're in the market for a small wind turbine or a ground-source heat pump, the bill doesn't help you Images:  The tax overhaul passed this week by Congress leaves tax breaks for solar and utility-scale wind projects in place, but does not restore tax credits for ground-source heat pumps and small wind […]
      Scott Gibson
    • Martin Holladay Named GBA Editor December 18, 2017
      Subtitle:  Holladay takes over managing the website he helped create Images:  Martin Holladay, Green Building Advisor's senior editor and one of the website's original developers, is now its editor. The announcement came from Rob Yagid, the editorial director at Fine Homebuilding magazine, who oversees the website for its Newtown, Conn., corporate parent, The Taunton Press. […]
      Scott Gibson