One of the best-known bits of folk wisdom about invasive species is that they settle down after a while to become part of a rebalanced ecosystem, and stop being a problem. This is an appealing idea, but how often is it true?
The next time you find yourself reaching for your umbrella, take a moment to consider the fate of rainfall after it hits the ground. While some rain is absorbed by natural ground cover, such as fields or forested areas, a high percentage becomes stormwater delivered to our rivers, creeks, ponds and lakes
There was some good news on the environment last week. In the 20-state area that participates in a cap-and-trade program to reduce emissions of nitric oxide (NOx) from power plants, the emissions declined 32 percent from 1997 to 2005.
Distant relatives of shrimp, zooplankton are an important food resource for aquatic animals. These free-floating crustaceans are considered one of the foundations of lake food webs, along with their plant counterparts, phytoplankton.