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Credit: Photo Stock
By Daniela Estrada

Warning: Used Cell Phones
Mobile phone use is expanding throughout Latin America, but regulations and technology are insufficient to deal with the obsolete units, which can contain metals and other materials that are harmful to the environment and health.

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Credit: Claudio Contreras
By José Adán Silva

Thirsty and in the Dark
The current drought -- worsened by deforestation -- is the culprit behind the blackouts hitting Nicaragua during the past four months. If it doesn't rain soon, public discontent could boil over, warns the nation's president.

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By Patricia Grogg

Two Decades of Biotech Advances
The vaccine against hepatitis B is the star product of Cuban biotechnology, which is celebrating its 20th anniversary. In November, scientists and investors from around the world will gather for a meeting in Havana.
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People
In this section, Tierramérica shares letters from our readers. If you'd like to send us your comments, please write to: cartas@tierramerica.org.

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Eco-briefs
Credit: Claudio Contreras
Coffee for the heart... Guatemala's volcanoes are awake... Transgenic maize at Mexico's door... Brazilian small farmers preserve water source... Protecting biodiversity along Central American triple border... Dredging to prevent floods in Colombia...

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