Engineers at Stanford University have devised a new way to generate electricity from sewage using naturally-occurring "wired microbes" as mini power plants, producing electricity as they digest plant and animal waste.
Energy & Green Tech
Sep 16, 2013
14
0
Marine ecologists call them seagrass meadows. They once wrapped Australia's coastline providing sanctuary and food for dugongs and turtles, habitats for fish to breed and myriad other ecosystem services such as nutrient recycling ...
Environment
Aug 16, 2013
0
0
Harmful algae blooms have become a top water polluter, fueled by fertilizers washing into lakes, streams and oceans. Federal and state programs have spent billions of dollars on cost-sharing payments to farmers to help prevent ...
Environment
Nov 16, 2017
0
21
(PhysOrg.com) -- Australian marine scientists have expressed disquiet over the continued worldwide spread of large, dead zones in the ocean.
Environment
Nov 30, 2010
9
0
NOAA-supported scientists found a large Gulf of Mexico oxygen-free or hypoxic "dead" zone, but not as large as had been predicted. Measuring 5,840 square miles, an area the size of Connecticut, the 2013 Gulf dead zone indicates ...
Environment
Jul 29, 2013
1
0
The last 10 years have seen a surge in the use of tiny substances called nanomaterials in agrochemicals like pesticides and fungicides. The idea is to provide more disease protection and better yields for crops, while decreasing ...
Environment
Jun 25, 2018
0
126
Farmers face a balancing act when deciding how much fertilizer to apply. Applying too much wastes money and adds to nutrient runoff problems. Applying too little reduces yields.
Environment
Jul 11, 2014
0
0
(PhysOrg.com) -- Many scientists believe that an unfortunate perfect storm of climate change and nutrient runoff will synergistically increase toxic cyanobacterial blooms globally in coming years.
Environment
Oct 7, 2011
2
0
Danes have been diligent about wetland restoration. Indeed, more than 200 wetlands have been restored over the past 25 years. In particular, restoration in Denmark has been used as a means to curb nutrient runoff from crop ...
Earth Sciences
Dec 20, 2021
1
73
A new study from an Iowa State University agronomist shows that an increase in perennial bioenergy grasses throughout the Corn Belt would lead to a significant reduction in nitrogen moving down the Mississippi River and into ...
Environment
Jul 12, 2016
0
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