Archive for the ‘Air and Water’ Category

Sep03

Cyanobacteria

Algae

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In early August, nearly half a million people in Toledo, Ohio were told not to use their tap water for drinking, cooking or bathing.  The cause was a bloom of algae in Lake Erie, in this case a microbe known as cyanobacteria, which produces a dangerous toxin called microcystin. (more…)

Sep02

Overfishing and coral

Coral

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Climate change has been blamed for the rapid decrease in coral cover in the Caribbean over the past few decades. But new research suggests that the impacts of pollution and overfishing may have been underrated. This is good news, experts say, because these problems are easier to address and reverse. (more…)

Aug28

Cigarette butts

Cigarette Butts

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When we talk about the hazards of cigarettes, we typically focus on health risks – lung cancer, heart disease, or the dangers of secondhand smoke. (more…)

Aug21

Tides in the Bay of Fundy

Bay of Fundy

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The Bay of Fundy is on the Atlantic coast on the northeast end of the Gulf of Maine between the provinces of New Brunswick and Nova Scotia in Canada.  It is the site of several national and provincial parks as well as the location of major ports for the pulp and paper industry.  But the Bay of Fundy’s greatest claim to fame is that it may have the largest tidal range in the world. (more…)

Aug19

Save the frogs

Frog

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Since the 1980s, there has been a worldwide decline in the population of amphibians – frogs, toads, and salamanders.  For a while, biologists were skeptical that these declines were anything more than natural variations.  However, study after study has revealed that the amphibian decline is a real and severe threat to biodiversity. (more…)

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