Most Commented Stories Tagged: Brazil

Science, Tech & Environment

Rainmaking in the Amazon

The Amazon rain forest is a crucial player in the global climate system�for one thing it's a massive store of carbon, but The World's Alex Gallafent climbs a scientific tower in the Brazilian Amazon to explore another function: rainmaking.

Science, Tech & Environment

Searching the ocean

Anchor Marco Werman speaks with John Fish of American Underwater Search and Survey about the challenges of an undersea search. Investigators have descended upon a stretch of the Atlantic Ocean where floating debris was found a day after an Air France airliner went missing with 228 passengers on board.