Pollution: urban, regional and global Archives

An ice core from the Colle Gnifetti glacier on the Swiss-Italian border

Scientific Press Release 1 June 2017

Human Activity Has Polluted European Air for 2000 Years

A new study challenges the widespread belief that environmental pollution began with the Industrial Revolution in the 1700s and 1800s.

Atmospheric Sciences

Scientific Press Release 17 March 2017

Study Finds Hotspots of Ammonia over World's Major Farming Areas

In the U.S., efforts to curb acid rain in the 1990s had the unintended effect of increasing ammonia in the atmosphere.

Biogeosciences

The federal Water Quality Portal gives disparate water quality data sets and resources a home on the Web

Research Spotlight 17 March 2017

Water Quality Database Offers New Tools to Study Aquatic Systems

Researchers assess the federal Water Quality Portal, a Web portal that unites disparate water quality data sets and resources.

Hydrology, Cryosphere & Earth Surface

A city employee checks on the pumps as a sandbag wall keeps flood waters from the Illinois River at bay in January 2016.

News 13 March 2017

Key House Member Makes a Conservative's Case for Water Projects

The White House and Democrats want to see an infrastructure package move through Congress. One House subcommittee chairman intends to make sure that water resource projects are part of the plan.

Biogeosciences

News 16 February 2017

Mounting Litter Spotted on Arctic Seafloor

At one location near Greenland, the density of undersea trash leaped by a factor of 23 in a decade.

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Atmospheric Sciences

Feature 8 January 2015

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.

Biogeosciences

News 18 December 2014

High Smog Levels Seen in Mecca During the Annual Pilgrimage

Surveys of air quality show that smog and other pollutants in Islam’s holiest city during the Hajj are among the worst in the world, prompting the Saudi government to look for ways to clear the air.

Atmospheric Sciences

Feature 16 September 2014

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.