The ash cloud hovering above Argentine Northern Patagonia since Saturday after the eruption of the Puyehue volcano in the Chilean Andes may reach the city of Buenos Aires on Tuesday, experts assured.
Scientists are launching an international mission to measure salt levels at the surface of the ocean. A rocket carrying an Argentine-built spacecraft is set to lift off Thursday from the Vandenberg Air Force Base along the central California coast.
Southern Chile's Puyehue volcano was calm Sunday, one day after raining down ash and forcing thousands to flee, although the cloud of ash it had belched out still darkened skies as far away as neighbouring Argentina and was heading to the Atlantic coast.
Southern Chile's Puyehue volcano erupted on Saturday for the first time in half a century prompting evacuation orders for 3,500 people and turning into dark the Argentine Patagonian resort of San Carlos de Bariloche, 100 kilometres to the east as it was covered with ash.
As any Santiago de Chile resident could attest, it was all sun and no rain this past May, creating a hazardously dry environment and increasing already worrying levels of pollution.
The mystery of how penguins stay warm while they huddle has been revealed by an international team of scientists. Emperor penguins survive the tough Antarctic winters by forming tightly packed clusters - but scientists have pondered how penguins on the outside stay as cosy as those in the centre.
New York's attorney general is suing the federal government to compel a full environmental review of proposed regulations for natural gas drilling in the Delaware River Basin.
Brazil's environment agency gave its definitive approval Wednesday for construction of the Belo Monte hydroelectric dam, a controversial 17 billion US dollars project in the Amazon that has drawn criticism from native Indians and conservationists.
Uruguay made a long list of objections to the environment impact assessment study presented by the Aratiri mining project which plans open-pit extraction of magnetite (ferrous component) from vast resources in Valentines, the heart of the South American country.
Bones found on West Falkland in 2010 by a boy then aged thirteen, which were subsequently kept for a while in the bottom of his grandmother’s wardrobe, may have narrowed down the search for an answer to a mystery which puzzled Charles Darwin when he visited the Falkland Islands in 1837.