Related topics: upper atmosphere

Digesting hydrocarbons

Volatile organic compounds can be found in the air—everywhere. A wide range of sources, including from plants, cooking fuels and household cleaners, emit these compounds directly. They also can be formed in the atmosphere ...

Africa: An air pollution wildcard

For the past four years, atmospheric scientists have been flying around the world with NASA on a mission to analyze pollution chemistry in the air and oceans. The NASA Atmospheric Tomography Mission or ATom, which flew its ...

Simple, effective Earth-system modeling

To assess long-range risks to food, water, energy and other critical natural resources, decision-makers often rely on Earth-system models capable of producing reliable projections of regional and global environmental changes ...

Vertical measurements of air pollutants in urban Beijing

Severe haze episodes with surprisingly high concentrations of fine particles (PM2.5) still occur in fall and winter seasons in Beijing, although the air quality has been improved in recent years.

A burning ambition for clean fuel

Fuel combustion chemist Mani Sarathy began his research career as an environmental engineer studying the environmental impact of pollution. But before long, Sarathy realized that the most effective way to mitigate environmental ...

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