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Photo: A cloud of pollution envelopes Mexico City's famous Angel of Independence. Credit: Photo Stock.
Photo: A cloud of pollution envelopes Mexico City's famous Angel of Independence. Credit: Photo Stock.
Report
By Diego Cevallos

Cities' Toxic Clouds a Tough Enemy
Bogotá, Mexico City, Lima and Santiago have adopted innovative measures to fight air pollution, but the air-borne toxins continue to make thousands of people ill.

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Credit: Freestockphotos.com
Credit: Freestockphotos.com

Delicate Avis
The hummingbird is known by several names in the Western Hemisphere: colibrí, picaflor, and beijaflor, but its scientific name is Trochilidae, and it is a wonder of nature in the Americas.

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Agroecosystems
Studies show that food production has risen during the last few decades. But the reality is that the numbers are not enough to solve the problem of hunger. Nor do they reflect the true environmental state of lands dedicated to agriculture.

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Ecobreves
Mexican nuclear energy plant in trouble... Seeking to neutralize mercury waste in Peru... Argentine ecologists fight radioactive dump accord... Ecuadorian petroleum contract under fire.

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