Drought brings Amazon tributary to lowest level in a century
Meteorologists and activists divided on causes of drought with some pointing to climate change as a factor
* Tom Phillips in Rio de Janeiro * guardian.co.uk, Tuesday 26 October 2010 04.25 BST
Drought in northern Amazon region A child plays with a paddle on the dried bed of the Rio Negro in northern Brazil. Photograph: Euzivaldo Queiroz/AFP/Getty Images
One of the most important tributaries of the Amazon river has fallen to its lowest level in over a century, following a fierce drought that has isolated tens of thousands of rainforest inhabitants and raised concerns about the possible impact of climate change on the region. .. .. continued ..