Torrential rainstorms have lashed drought-stricken Afghanistan in recent days, bringing widespread flooding that has killed at least five people and washed away homes including in the capital Kabul, officials said Tuesday.
Environment
Apr 16, 2019
0
17
If you've ever seen a field covered in what looks like a layer of white soil, you may not know that that "soil" is actually salt. Over time, salt can build up and create a crust on top of the soil, making it difficult for ...
Earth Sciences
Jan 9, 2019
0
9
Rice is a staple food crop of 20 percent of the world's population. It's also grown on every continent except Antarctica.
Ecology
Dec 5, 2018
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8
Spring in America's heartland is often wet. That makes its soil too soft for planting. One solution to that issue is tile drainage. Growers insert a series of pipes (drain tiles) under their fields, which drains water from ...
Environment
Oct 10, 2018
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8
Harmful algae isn't just a problem for high-profile bodies of water—it poses serious, toxic threats in small ponds and lakes as well, new research has found.
Environment
Aug 23, 2018
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3
A summer rainstorm can rejuvenate the landscape, but the runoff it creates may contain contaminants, such as E. Coli bacteria, that can negatively impact water quality in rivers and streams. Peng Dai, a graduate student in ...
Environment
May 25, 2018
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4
Two Purdue University studies show that urbanization changes storm patterns and rainfall amounts, highlighting the need for urban planning and infrastructure design that considers how the landscape will affect the weather.
Earth Sciences
Mar 12, 2018
0
164
Algae blooms in the Gulf of Mexico use up the majority of the oxygen in the water, leading to massive "dead zones" that cannot support fish or other wildlife. The culprit? Nitrate, running off agricultural fields through ...
Environment
Jul 31, 2017
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20
Of the 186 countries assessed in a recent survey of climate vulnerability, Chad was rated most in peril. A combination of high poverty, frequent conflicts, and the risk of both droughts and floods means the central African ...
Environment
Jun 8, 2017
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15
The nitrogen and phosphorous that nurture crops become pollutants when they drain into lakes and streams. Woodchip bioreactors have proven useful in removing nitrates from tile drainage water, but researchers are still searching ...
Environment
Sep 24, 2015
0
12
