algal blooms, definition of

Greenhouse gases are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of thermal infrared radiation emitted by the Earth’s surface, the atmosphere itself, and by clouds. This property causes the greenhouse effect.

Greenhouse gases are essential to maintaining the current temperature of the Earth; without them the planet would be uninhabitable.

Wikipedia Entry

• Lessons from the Chesapeake Bay: How to Save Buzzards Bay from Nitrogen Pollution
    The Chesapeake Bay was formed eighteen thousand years ago when glacial melting generated sea level rise that flooded the Susquehanna River Valley. Today, it is the largest estuary in the USA, covering about 4,500 square miles and spanning across
• Study Finds National Park Ecosystems Threatened by Nutrient Pollution
  Due to their federally protected status and careful management, it is easy to assume that national parks are safe from the harm of human activity. Unfortunately, many of the parks across the country are vulnerable to nutrient pollution caused by agricultural    

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