Observation-based statistical models and climate models suggest that such jumps in ocean temperatures are unlikely to occur even with global warming but are almost impossible without it.

As economists warn that limiting global warming to 1.5 degrees Celsius will cost many more trillions than anticipated, WSJ looks at how the funds could be spent, and who would pay. Illustration ...

Yet Trump continues to deny that global warming is real and primarily caused by burning coal, oil and natural gas. He has ordered the Environmental Protection Agency to stop regulating fossil fuel ...