Emissions of short-lived chlorine-based chemicals that deplete ozone are increasing worldwide. But over some regions of Asia, these chemicals may be on a fast track to the ozone layer.
air pollution
Posted inResearch Spotlights
New Data Record Extends History of Global Air Pollution
Researchers extend long-term aerosol records to the past 40 years by combining two existing algorithms to process satellite data over both land and sea.
Posted inAGU News
Closing the Air Quality Data Gap in the Developing World
How a husband-and-wife team created the world's first open access, open source international air quality data hub—a global resource for health organizations, policy makers, and others.
Posted inResearch Spotlights
What Drives Pollutant Dispersion at Night?
Better understanding of waves and turbulence in calm air could improve predictions of weather and pollutant dispersion.
Posted inScience Updates
Urbanization Affects Air and Water in Italy's Po Plain
Satellite and ground-based measurements show a correlation between urban growth and increased levels of pollutants.
Posted inOpinions
Is the Shale Boom Reversing Progress in Curbing Ozone Pollution?
Concentrations of volatile organic compounds—precursors to ground-level ozone formation—are on the rise in areas over and downwind of a major shale oil and gas field in Texas.
Posted inFeatures
Urbanization and Air Pollution: Then and Now
Analysis of decades of mitigation efforts in Los Angeles demonstrates that air quality in megacities can be greatly improved.
Posted inFeatures
Crop Residue Burning: A Threat to South Asian Air Quality
Smoke from the residues, burned during October and November to ready fields for next year’s planting, emanate from Punjab, a region spanning northwestern India and eastern Pakistan.