Compared to many of the world’s river systems, the Orinoco is relatively intact. But this may not last for long as the river and its surrounding areas are threatened by pollution and mining activities ...

Near the Orinoco basin in the East, where four out of every five barrels is pumped, heavy tar-like oil has begun to clog pipelines and tanks after the heating system lost power, according to Wills ...

South American scientists are about to embark on an expedition through the rivers and watersheds of the Amazon and Orinoco Rivers to survey freshwater dolphins. Santiago de Cali, Colombia — South ...