Green roofs are engineered vegetated roofing systems where plants and soil have replaced, or been put on top of, traditional concrete, roof tiles or shingles. The breathing living roofs provide numerous benefits to buildings including protection against stormwater runoff, conservation …
Tag: energy efficiency
A Renaissance in Environmentalism? Energy Efficiency Is Starting to Make a Real Difference
I’m a big fan of renewable energy in all its forms, but, as I’ve often commented, efficiency is really the low-hanging fruit in terms of reducing the environmental footprint associated with energy. In the U.S. alone, the efficiency technologies we’ve …
And the Winner of "Greenest Neighborhood" Is …
Having a car in the New York area definitely feels like the wrong tool for the job, but there are times it’s unavoidable, e.g., when one also has appointments in the periphery of the area that aren’t well served by …
Tagged with: Brooklyn, Energy conservation, energy efficiency, environmentalism, green, locally grown food, sustainable
Climate Change and Energy Policy — Problems and Solutions
In connection with climate change and our energy policy, I recently heard someone say, “21st Century problems demand 21st Century solutions.” I laughed derisively at the time, as it sounded like any one of hundreds of political slogans of yesteryear, …
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Efficiency, Renewable Energy, Changes in Consumer Behavior — All Needed At a Massive Scale
A colleague just asked me if I had seen this article in Forbes.com, whose point is that, since climate change affects businesses, businesses would be wise to cut climate-changing emissions. I wrote back: No I hadn’t seen that. It’s pretty …
Thinking Critically About Society's Use of Energy
If you’re looking for some critical thinking on our civilization’s use of energy (including renewables) you may want to check out the writings of Ozzie Zehner. It’s clear that Zehner has a lot of this correct. In particular, our paradigm …
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Tagged with: civilization’s use of energy, clean energy, electric drive train, electric transportation, Electric Vehicles, energy efficiency, energy solution, ICE, internal combustion engine, Los Angeles International Airport, Ozzie Zehner, paradigm for transportation, per-capita consumption of energy, public transportation, Renewable Energy, renewables, solar energy, solar power, unintended consequences, Wind Energy, wind power
UK Receives Top Score in Energy Efficiency
Congratulations to Aedan Kernan (2GreenEnergy contributor) and our other friends in the UK. Your fine country received top honors in terms of energy efficiency rankings — #1 out of the 12 nations considered. American Council for an Energy-Efficient Economy (ACEEE), …
A Low-Tech But Highly Effective Concept in Water Conservation
Frequent commenter Brian McGowan writes: While I don’t have flush-free urinals in my house, I do collect the water from the water softener regeneration and the rinse cycles of my washing machine and use that to flush my toilet. Brian, …
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Take a COOL Guess – the Fun Quiz on Clean Energy. Today’s Topic: Water Conservation
Question: Approximately how much water is wasted every year by EACH urinal in men’s bathrooms around the world? Answer: Can be found at http://2greenenergy.com/cool-guess-answers/8732. Relevance: Breakthroughs in waterless urinal technology save a significant volume of water, thus eliminating the greenhouse …
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From Guest Blogger Brian McGowan: Heat Recovery Device — Should I Do It?
Quite a few years ago I thought it would be good to recover heat from drain water since heating water is very energy intensive. A couple of my plumber friends and I discussed several ways to do it trying to …
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