Soil erosion is widely known for degrading land and reducing agricultural productivity. But new research shows it may also play a far more complex and important role in regulating the global nitrogen ...

Scientists exploring ways to use the ocean as a carbon sink are running into a problem that could limit the technology’s long-term effectiveness: the nutrients that marine life needs to pull carbon ...

Limnology and Oceanography, Vol. 66, No. 6 (June 2021), pp. 2442-2454 (13 pages) In the North Pacific Ocean, nutrient rich surface waters flow south from the subpolar gyre through a transitional ...

Pt. 1: Context. The ecosystem concept. Earth's climate system -- Pt. 2: Mechanisms. Terrestrial water and energy balance. Carbon input to terrestrial ecosystems. Terrestrial production processes.

What do the Gulf of Mexico's "dead zone," global climate change, and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural cycles ...