Fears flood water runoff could 'smother' Barrier Reef

Runoff from recent floods in northern Australia is flowing onto parts of the Barrier Reef, scientists said Friday, starving coral of light and providing fodder for the predatory crown-of-thorns starfish.

Video: The farm of the future?

There's a new trend in agriculture called vertical farming. As humans learned to farm, we arranged plants outside in horizontal fields, and invented irrigation and fertilizer to grow bumper crops.

Trading farmland for nitrogen protection

Excess nitrogen from agricultural runoff can enter surface waters with devastating effects. Algal blooms and fish kills are a just a couple of possible consequences. But riparian buffer zones - areas of grasses, perennials, ...

Image: Algae bloom in Lake St. Clair

On July 28, 2015, the Operational Land Imager (OLI) on the Landsat 8 satellite captured images of algal blooms around the Great Lakes, visible as swirls of green in this image of Lake St. Clair and in western Lake Erie.

Lab test commonly used to assess water toxicity

Hyalella azteca are invertebrates that are widely used for sediment and water toxicity studies. Investigators have found that H. azteca collected from sites influenced by agricultural/urban runoff are as much as 2-times less ...

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