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The power outages in South Africa have led hotels to call themselves eco-lodges, and customers are liking it
Author Archives: sspence
Remote Scottish eco-project
4/12/2005 – 4:53 pm
Utterly remote
Wildlife millionaire Paul Lister bought the Alladale Highland Wilderness Reserve after a 10 year search. He was looking for somewhere isolated, private and with vast, uninterrupted views to fulfill his dream of reintroducing indigenous predators to the Scottish Highlands. He is now offering students an ecology holiday, but at a price.
Set within 11,000 [...]
Which Batteries? (2)
4/7/2005 – 1:53 pm
A Reader wrote to us: Hi!
I intend to use a solar system, but don’t seem to get proper advice on storage batteries.
I was advised to use Trojan 105 (6 volt) golf cart batteries x 2 for my six 22 Watt solar panels. Apparently there’s also a 12 [...]
Making your own Biodiesel
3/28/2005 – 4:16 pm
Biodiesel Processor
It was a busy day Saturday, at the Green Trust facilities in Winthrop, NY. We had a class come together to learn how to construct a biodiesel processor. This unit will take lye and methanol, react it with vegetable oil, and produce a direct substitute for diesel fuel, to be used in any [...]
Water Motor
3/20/2005 – 3:29 am
The Water Motor
We all know how an electric motor operates. You have a power switch, it turns electric current on and off to an electric motor, which then does work. That work can be pushing a cart, a fridge, a water pump, or any number of rotary devices. What do you do off [...]
Auto pollutants, What can I do?
3/17/2005 – 4:54 pm
Terra Pass Decal
So here’s the dilemma. You compost, you recycle, get off the grid when you can, maybe even bought a fuel efficient car, getting 30+ mpg. But every day as you fill up on $2+ / gallon gas, you wonder if there is something else you can do to offset your emissions. [...]
U.S. grants for renewable Energy
2/25/2005 – 1:51 pm
Renewables still a tiny share of nation’s energy use
There are various US federal and state and sometimes utility company incentives for installing renewable energy. The benefit is you reduce energy consumption through conservation and the subsidies pay for things like energy efficient lighting, appliances, and insulation. DSIRE USA, a database of State [...]
