but they are not the same as the entire river changing course today. The true “backward” phase happened over millions of years in tandem with immense tectonic forces and mountain-building processes.

Courtesy Image There would be walking too, of course, endless miles ... to walk the length of the Amazon entirely under his own power, the first to travel the river’s length against the flow ...

The mounting pressure on Brazil’s federal environmental agency (IBAMA) to approve the disastrous project to extract oil from the mouth of the Amazon River (see here and here) should be ...