Emission from a ship’s engine gives clues to how much light-absorbing molecules may build up on and above snow and sea ice. Such emissions are likely to increase as more ships venture into the Arctic.
Pollution: urban, regional and global
The Power of Water, Wind, and Solar (and Nothing Else)
Road map for improving climate calls for 100% clean, renewable energy by 2050.
Detecting Gas Leaks with Autonomous Underwater Vehicles
A Norwegian team develops an improved, cost-effective method to detect chemical discharges under the sea.
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.
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.
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.
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.
