"There's no air in space to compress to ring against your ear, " she told CNN in an interview at the TED conference in Long Beach, California, in March.

CNN: Cosmic music from dying stars

When environmental activists claim air pollutants kill thousands of Americans each year and sicken still thousands more, their claims ring hollow when they oppose a cost-effective, environmentally friendly solution.

FORBES: The Sierra Club Fails An Environmental Consistency Test

Many of Cho's buildings are in South Korea, but some of his temporary structures, such as the "Air Forest" set up in Denver, U.S., in 2008 and "Ring Dome" seen in Milan and Yokohama, have made it abroad.

CNN: Minsuk Cho's dramatic architecture