There's a mysterious and sometimes deadly weather pattern in which the jet stream stalls out over a region. A University of Chicago study explains the blocking phenomenon that has baffled forecasters until now.
Despite a wild fall, National Oceanic and Atmospheric Administration (NOAA) expects a warmer-than-normal winter for the western two-thirds of the U.S. They don’t expect any areas with cooler-than-normal conditions.
Scientists have already warned that climate change likely will impact the food we grow.
But new research is showing that climate change is expected to accelerate rates of crop loss due to the activity of insects.