The Amazon basin, the region of South America drained by the Amazon River, represents the largest area of tropical rain forest in the world. Extending across nine different countries and covering an area of 2.3 million square mi (6 million sq. km),...

The Amazon Basin is the part of South America drained by the Amazon River and its...

A team from the Institut de Recherche Pour le Développement, working in partnership with Bolivian and Peruvian scientists, aimed to establish how piranhas were able to evolve over the past 15 million years. The team selected 57 specimens, representative of 21 different species of...

ABSTRACT Interannual variability of seasonal rainfall in the Brazilian Amazon basin is examined in context of its relationship to sea surface temperatures in the tropical Pacific and Atlantic Oceans. Linear correlations reveal strong relationships, but rainfall patterns are of regional scale. Areas of...

President Evo Morales on Wednesday officially declared months of deadly flooding a national disaster, committing some $50 million to the crisis that killed 35 people and affected some 72,000 families."The situation is very dramatic," Morales said at a news conference in La Paz after a...

Twice a day, Elena Quispe draws water from a spigot on the dusty fringe of this city, fills three grimy plastic containers and pushes them in a rickety wheelbarrow to the adobe home she shares with her husband and eight children.But the water supply is...