Panama Canal

A team of international scientists found that El Nino — a natural warming of the central Pacific that changes weather worldwide — doubled the likelihood of the low precipitation Panama received during last year's rainy season.

Canal administrators now estimate that dipping water levels could cost them between $500 million and $700 million in 2024, compared to previous estimates of $200 million.

Michael Wenger still remembers the patches of blood red and vivid violet that daub the landscape of the Northwest Passage.

The governors of Arizona, New Mexico and Mexico's Sonora state signed an agreement on Wednesday, December 19, 2018, to study a plan to export natural gas to Asia by connecting existing pipelines to move the fuel south to the Gulf of California.