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Artículos sobre Freshwater

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Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
An aerial view of Georgian Bay, Ont. (Shutterstock)

Canada has 20 per cent of the world’s freshwater reserves — this is how to protect it

Canada has 20 per cent of the world’s freshwater reserves and nine per cent of the world’s renewable freshwater resources. However, there is an urgent need for better freshwater governance in Canada.
Futures won’t affect whether there’s water in the hose. Bettmann/Getty Images

Why Wall Street investors’ trading California water futures is nothing to fear – and unlikely to work anyway

The world’s first futures market for water launched in California in December. Two commodities experts explain how it works, what the potential problems are and why there’s no reason to freak out.

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