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Dr. Matthew Johnson's research is in atmospheric chemistry, a branch of atmospheric science, which looks at the composition and chemistry of Earth's atmosphere, such as aerosols and trace gas emissions, and how particles may impact human health. Dr. Johnson's research...

James Butler has studied atmospheric chemistry, ozone depletion for over thirty years. Now, as the Director of NOAA’s global monitoring, he helps direct research into the hole in the ozone layer and climate change. He knows firsthand that we have...

As a child, Luke Oman was always looking out the window. Today, he works on atmospheric processing for NASA. How do volcanic eruptions affect everyday life? What happens when sulfur dioxide gases from volcanoes interact with sulfate aerosol and stay...

Nearing the end of her career, Anne Douglass, at NASA Godard Space Flight Center, has provided the scientific community with a better understanding of the ozone layer that protects us all from ultraviolet radiation. Anne describes the energy that it...

Hal Maring once risked his life for a box of fog. The physical scientist at NASA Headquarters was once on a New Zealand research cruise in the Tasman Sea when the vessel hit bad weather. They took down some of...

The start of a fruitful career for Richard Eckman was being on a team which discovered that the stratosphere and ozone varied in relation to the sun’s 27-day rotation. Eckman, who now works with NASA’s Atmospheric Composition Modeling and Analysis...

The realization that a purple sunset in Wisconsin traced back to the 1991 volcanic eruption of Mt. Pinatubo in the Philippines fueled Chip Trepte’s interest in the movement of volcanic aerosols in the upper atmosphere. “It was a stunning revelation...

Kenneth Jucks, Program Manager for the Upper Atmosphere Research Program at NASA Headquarters, has gone from launching weather balloons, what he calls a “poor man’s satellite” to take measurements up to 25 miles above the Earth’s surface, to managing five...

Paul Newman, Chief Scientist for Earth Science at NASA Goddard Space Flight Center and the co-chair to the Montreal Protocol, is one of the planet’s top ozone watchdogs – a self-described detective who looks for any chemicals which may deplete...

Tong Zhu atmospheric chemist and university professor shares his experiences studying air pollution and its impacts on human health. Reflecting on how past discoveries influence solutions and how those solutions impact government policy. He shares stories about his work for...