Launch director Erich Klein cancels the attempt, and the small group disperses. This is par for the course of NASA's balloon people, the meteorologists and launch crews of the National Scientific ...

The company, Make Sunsets, launches balloons that release sulfur dioxide into the atmosphere. The gas—less than what is ...

Exceptions include hot air balloons that are recovered after launch, balloons used for scientific or meteorological purposes, and indoor balloon releases. Violators could face civil penalties of $ ...