Nickel, a key ingredient in stainless steel has been instrumental in erecting some of the most impressive edifices in our civilization, like the Chrysler Building and the Twin Towers in Thailand.
Soil erosion is a major problem from both agricultural and environmental standpoints. The loss of topsoil -- the most fertile part of the soil structure -- can ruin farmland in just a few years.
When Richard J. Nogaj sold his successful engineering firm in the late 1990s and was looking toward retirement, his thoughts were on Florida—but not on the golf greens of Naples or the sandy beaches of the Keys.