Danger of a fuel spill after US Airways flight 1549 crash

After US Airways Flight 1549 crashed in the Hudson River today, environmentalists are concerned about the dangers of an oil spill occuring in the river from the fuel that is located on the plane.  Oil spills...

Asphalt Could Go Green

It turns out that the pavement is greener on the other side of the world. Here's an article about cold-mix asphalt - something that has been used extensively for some time in South Africa and may some day be used...