1. View of Antarctic sky from NSF/NCAR HIAPER research jet

    Where's the atmosphere's self-cleaning power?

    In a surprising finding, a research team concludes that the dominant "detergent" in the atmosphere is equally abundant in the northern and southern hemispheres.

    • Air Quality

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  2. Decadal prediction: Map showing trends in sea surface temperature

    Progress on decadal climate prediction

    If today’s tools for multiyear climate forecasting had been available in the 1990s, they would have revealed that a slowdown in global warming was likely on the way, according to new research.

    • Climate

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  3. Ground-level ozone's toll: A traffic jam in Delhi, India

    Ground-level ozone's toll in India

    Ozone pollution in India is damaging millions of tons of the country’s major crops, according to a new study by an international team of researchers. The pollution caused losses of more than $1 billion in a single year, destroying enough food to feed an estimated 94 million people.

    • Air Quality

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  4. Cloud streets above Bering Sea off south coast of Alaska, 4/7/13

    Making research data more traceable

    With support from NSF's EarthCube initiative, UCAR is launching a project with two partners—Cornell University and UNAVCO—that aims to connect the dots among field experiments, research teams, datasets, research instruments, and published findings.

    • Data

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  5. Trash burning and air pollution: open trash fire in General Santos, Philippines

    Trash burning worldwide significantly worsens air pollution

    An estimated 40 percent of the world's waste is burned in unregulated fires, emitting pollutants that can harm human health and the environment.

    • Air Quality

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