(PhysOrg.com) -- In the past 20 years, the Amish population in the US has doubled, increasing from 123,000 in 1991 to 249,000 in 2010. The huge growth stems almost entirely from the religious culture’s high fertility ...
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
An interdisciplinary team led by University of Wisconsin–Madison scientists has developed a new technique that could help farmers extract useful nutrients such as ammonia and potassium from livestock manure to efficiently ...
Biotechnology
Dec 11, 2023
0
152
Most of us don't think much about soil, let alone its health. But as Earth Day approaches, it's time to recommend some skin care for Mother Nature. Restoring soil fertility is one of humanity's best options for making progress ...
Environment
Apr 17, 2017
1
1255
Ongoing droughts and an over-exploitation of land for both agriculture and industry have stoked fears in Spain over the creeping spread of "sterile soil" which could devastate Europe's kitchen garden.
Environment
Aug 1, 2023
0
78
Agriculture involves a difficult balance between food production and environmental impact. For example, fertilizers can help to achieve good crop yields, but over-using them produces greenhouse gas emissions and pollution.
Ecology
Aug 30, 2022
0
4
(Phys.org)—Silver nanoparticles can have a severe environmental impact if their utilisation in clothing continues to increase. If everyone buys one silver nanoparticle-treated sock a year, the silver concentration in waste ...
Bio & Medicine
Nov 1, 2012
9
1
Remains of dead bacteria have far greater meaning for soils than previously assumed. Around 40 per cent of the microbial biomass is converted to organic soil components, write researchers from the Helmholtz Centre for Environmental ...
Environment
Dec 14, 2012
3
0
Reducing greenhouse gas emissions (GHGs) and nitrogen water pollution from agriculture are top environmental priorities in the United States. Key to achieving climate goals is helping producers navigate carbon markets, while ...
Environment
Jul 15, 2021
0
38
Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical process that extracts ...
Environment
Aug 16, 2013
2
0
