It's so true it's like the wind. You cannot see it, but you can feel it."

VOA: standard.2010.04.05

Plantings in the wetlands help hold down the soil against the forces of erosion, like wind and water.

VOA: special.2009.10.06

Many people think the search for cleaner energy leads only to renewable resources like sun,wind and water.

VOA: special.2009.10.23

The waters can look so still and blue, like a painting, though they can also become rough with waves when the wind blows.

VOA: special.2009.01.05

The action of wind and water can form cave openings like natural rooms within the rock.

VOA: special.2009.07.20

Some mountainous regions benefit from hydropower. Less than four percent of the nation's electricity demand is met with renewable sources like solar and wind power.

VOA: standard.2010.03.23