But, to develop comprehensive and accurate inventories, industries, government agencies and scientists first must know the location of pollution sources. (sciencedaily.com)
She wants to figure out which populations the pollution might be affecting, and where it is interacting with other pollution sources. (scientificamerican.com)
There are also advantages in testing in remote regions, far away from pollution sources, because samples are not distorted by local activities, and so the results provide a global picture. (sciencedaily.com)