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News about the sewage and pollution in Guanabara Bay in Rio have caused health concerns among Olympic athletes. Ricardo Moraes/Reuters

Brazil’s sewage woes reflect the growing global water quality crisis

Wastewater treatment systems around the world are hamstrung by outdated tests that don't identify a growing array of pathogens or identify the sources of pollutants.
Florida’s unique geology means alternative fracking methods would be used, but can aquifers be safely separated from injection wells? jsjgeology/flickr

Should Florida ‘frack’ its limestone for oil and gas? Two geophysicists weigh in

There's a debate over whether fracking should be introduced into Florida, a state with a unique geology and hydrology that introduces a long list of environmental concerns.
More than thirty chemicals can go down the drain from products we use everyday. Soap image from www.shutterstock.com

Down the drain: we need to rethink how we clean our homes

The simple act of shampooing and conditioning our hair, even with green products, results in more than 30 chemicals being washed into our sewers.
Flooding during Hurricane Sandy devastated New York City’s transportation and power infrastructure. Jason Howie/flickr

Flood severity along US coastline has worsened

Study finds higher risk of flooding from a combination of storm surge and heavy precipitation, particularly along the East Coast of the US.

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