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A new marker for human pollution contaminating surface and ground waters? Pepper virus.

It is common for E. Coli to be used as a marker for the potential presence of human waste in surface and ground waters. The pepper mild mottle virus is widespread in raw sewage, treated wastewater, reclaimed wastewater, and seawater exposed to wastewater. Thus, sampling for the pepper virus could...

Another petroleum reduction strategy: Using biomass and engineered organisms to create synthetic rubber

One of the byproducts of oil is isoprene, a monomer; it is used to make synthetic rubber for car tires. Each of the one billion tires made annually requires approximately 7 gallons of oil. Research is being undertaken to use genetically modifed bacteria to produce isoprene biologically. Tires are...

An important mechanism for the spread of bacterial resistance to antibiotics is identified

The abuse of antibiotics is commonly (and rightly) associated with the development of bacterial resistance to antibiotics. It is a well recognized principle that underlies attempts to limit antibiotic use to only the most necessary conditions, and to eliminate the prophylactic use of antibiotics in animal...

Ninth Circuit rules that owners of storm water systems (e.g., cities, counties, districts) are liable for discharges of polluted stormwater into rivers and ocean

It is well known that stormwater gathers a variety of pollutants as it flows across the landscape and even through stormwater drainage systems. See, for example, http://cfpub.epa.gov/npdes/home.cfm?program_id=6 and http://www.epa.gov/owow_keep/NPS/index.html . In NRDC v. County of Los Angeles, Ninth...

Coriander oil is found to kill E. Coli, Salmonella, & MRSA

Prior posts have noted the adverse environmental effects that are being seen with some bactericides. Prior posts have also noted the wide variety of substances that can act as selection factors affecting the evolution of various organisms. Researchers now report that oil extracted from coriander seeds...