Archive for October, 2007
Hydrogen is Not an Energy Source
Oct 13th
Though Hydrogen is the most abundant element on Earth’s surface, it mainly is bond with Oxygen in water, one of the strongest chemical bonds known. This means that it takes quite a lot of energy to split water into Hydrogen & Oxygen, around 120 MJ per kg. Do you follow? The same amount of energy More >
Becoming a Good Green Citizen
Oct 12th
It is becoming exceedingly easy to get on the “green bandwagon” lately. But some of us were on the wagon long before the band ever joined us…Outside Magazine, in its recent 30th anniversary Green Edition, points out that only a couple years ago environmentalism seemed to be “dead”–or, at least, greatly diminished in stature from More >
Organic Fertilizers – What’s the Big Stink?
Oct 11th
Here’s a list of some organic fertilizers you can encounter: Manures for the garden come from cow, sheep, poultry & horses. Pretty self-explanatory. Manure is known as a “complete” fertilizer; it has a lot of organic matter, but is low in nutrients. Manures are most valuable as organic soil amendments & mulches. Note: Beware of More >
Global Warming – Impact On Coastal Communities
Oct 10th
Global warming is highly controversial. There’re many studies & reports being generated to support both sides of the argument. One argument states that global warming isn’t the massive global issue it’s purported to be. While the other argument clearly shows evidence that global warming is occurring & it’s a large problem. In order to understand More >
Spotlight on Green Builders – Construction & Demolition Waste – Recycling in the Trenches
Oct 10th
In today’s world of shrinking throwaway options, a reuse, recycle approach is rapidly becoming practical, & construction professionals are being forced to focus on this idea 
by a combination of growing popular support for GREEN plus dollars $ & cents considerations-whether they’re environmentally minded or not.According to Frank Coolick, Administrator of Department of Environmental More >
Return to Trees for New Biofuel
Oct 10th
According to legend, Prometheus brought fire to mankind, sparking enlightenment. OK. Several millennia later, scientists are exploring wood chemistry to find new sources of energy.Cellulosic ethanol, or “treethanol,” is a promising new energy source with the potential to mitigate high gas prices, national security concerns, & global climate change. Ethanol derived from cellulose?the complex sugar More >
Zero Energy Homes, Made Affordable
Oct 10th
How’s this for a challenge? Create a zero net source energy (as opposed to site energy) home as defined by the Department of Energy’s Building America program. Design it to operate in the extremes of Denver’s unpredictable climate, using off-the-shelf, readily available technologies. Keep the mechanical systems as simple & uncomplicated as possible. Incorporate energy-efficiency More >