In the Amazon, as Brazilian surfer Sergio Laus rides the legendary pororoca waves, he worries about their dwindling size.

By Sergio Queiroz, Adriano Machado and Manuela Andreoni ARARI, Brazil (Reuters) -Deep in the Amazon rainforest, the power of ...

There aren't many places quite as different from Hawaii than Alaska. But if there are waves, Jamie O'Brien is interested, and ...