Yagua Indigenous people carrying water and goods due to the low level of the Amazon River in Colombia, in October 2024. | Luis Acosta/AFP via Getty Images This story was originally published by Inside Climate News and is reproduced here as part of the Climate Desk collaboration. The Pacific Ocean is a giant climate cauldron, with a powerful heat engine that affects storms, fisheries, and rainfall patterns half a world away, and scientists are watching closely to see if it’s about to boil over.