People dirty the air with gases and smoke, poison the water with chemicals and other substances, and damage the soil with too many fertilizers and pesticides. ... The reaction between the moisture and the chemical compounds produces nitric and sulfuric acids. ... Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. ...

• Word Count: 2105
• Approx Pages: 8
• Has Bibliography
• Grade Level: Undergraduate

Hydrogen is already a major commodity in the U.S. economy and production could readily be expanded to serve new markets. More than 50 million metric tons are produced annually worldwide (11 million metric tons in the United States), principally from SMR (steam methane reforming) of natural gas. Much...

• Word Count: 2376
• Approx Pages: 10
• Grade Level: Undergraduate

The U.S Department of Energy (DOE) is working to build an energy system for the future which is cleaner, more efficient, and more reliable than current technology in order to ensure our nation's energy security and environmental viability. The DOE sees hydrogen as a potential answer to satisfying many of our energy needs, in addition to reducing carbon dioxide and other greenhouse gas emissions. The following is a summary that demonstrates how hydrogen can affect everyday life, while providing benefits to the environment, technological advances, and economic growth. The cost of energy ...

• Word Count: 2192
• Approx Pages: 9
• Has Bibliography
• Grade Level: Undergraduate