China will have to do something about it or risk increasing environmental hazards that eventually lead to health crises in this aging population of 1.3 billion.

FORBES: Just How Big Is China? Bigger Than You Think

John Long, vice president and chief technical officer of the Midwest Generation unit, thinks he can coax another 15% increase out of those aging boilers over the next five years without running afoul of environmental rules.

FORBES: Indigestion

Longevity genes appear to slow down the aging process by making cells and tissues more stress-resistant, better able to withstand the inevitable environmental insults that accumulate over a lifetime from bad diet, inflammation, radiation, genetic mutations and toxic chemical by-products called free radicals.

FORBES: Researchers are unlocking the mysteries of aging.