In the early 90s it seemed likely that Democrats could push through single-payer healthcare and a command-and-control solution to acid rain.

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Ferretti, vice president at the Chicago Climate Exchange, extolled emissions trading, noting that the practice had helped bring sulfur dioxide and acid rain under control much less expensively than traditional command-and-control regulation.

FORBES: Carbon Emissions: The Next Sarbox

When medications aren't enough to control the unpleasant symptoms of heartburn and acid reflux, surgery is sometimes necessary.

WSJ: New Surgical Option for Heartburn

These are the first national standards to require use of modern control technologies to reduce mercury, arsenic, lead, hydrochloric acid and other hazardous air pollutants from coal plants.

WHITEHOUSE: Energy and Environment Latest News | The White House

The microgrid comprises eight 100-kW grid-tied inverters, the rooftop PV array, the lead-acid battery pack, backup diesel generators, and a Web-based monitoring and control system.

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For example, our New Jersey coal plants with their various pollution-control systems have been able to reduce, by over 90 percent, emissions of mercury, acid gases and soot.

WHITEHOUSE: Energy and Environment Latest News | The White House

Valerenic acid, an ingredient of the root, acts on chemical pathways in the brain that control a person's level of anxiety or relaxation, according to scientific literature.

WSJ: Can a Root Get to the Problem of Insomnia?