The Amazon River is approximately 4,000 miles long ... like the Amazon Clipper Cruises that leave from Manaus, Brazil ...

Research in Brazil and Colombia shows that nearly all Amazon deforestation occurs within a few kilometers of roadways. Road by road, Amazon cities grew with their "backs to the river," as locals ...

a research scientist Brazil’s National Institute for Space Research. So too is the Solimões River, whose muddy-colored waters converge with the Rio Negro at Manaus to form the Amazon River.

Brazil plans to dredge parts of the Amazon River after water levels reached a record low, endangering vital trade routes. Authorities say an artificially deeper river will restart the steady flow ...