Fly ash is particulate matter collected from the smokestacks of coal-fired power plants, and it can be used to reduce the amount of portland cement in concrete.

While that doesn’t make concrete a green…

Roger, I checked your question with a couple gearheads I know; here’s what I found out.

We aren’t aware of any conversion kits. With the right engine, the idea is possible, as we described back in 1979…

Carpenter bees can be annoying and cause damage to buildings. But you can control carpenter bees and minimize damage with simple, nontoxic methods. A couple of suggestions from Dealing With Carpenter …

James A. Duke’s book The Green Pharmacy is a well-regarded and long-standing guide to using herbs for health. The book has been in print for more than 10 years, and is available online and in bookstor…

The Web is a great place to learn about plant and animal life, whether you’re identifying a bird from your own backyard or want to find out more about the entire salamander family. Fortunately, there …

Wood ash is a good source of plant-available potassium and other mineral nutrients, BUT it is very alkaline. Because wood ash can raise your garden soil pH too much, it is very important to begin with…

Cook ’em! Greens are actually pretty versatile, so there’s practically no end to the many ways you can enjoy them. If you enter “greens” into one of the many recipe databases online (Epicurious is my …

Going off the grid offers complete energy independence — no utility bills, no grid outages, ever — but it takes some effort, and you will need to learn how to conserve energy. It is possible to produc…

With only a quarter acre of land, I would suggest a small poultry project initially. Because chickens are readily available, and you can easily secure a quarter acre, I recommend a half dozen laying h…