Yale Climate Connections is a nonpartisan, multimedia service providing daily broadcast radio programming and original web-based reporting, commentary, and analysis on the issue of climate change.

One infected calf has the $113 billion cattle industry reaching for syringes — and the USDA dropping 4 million sterile flies a week to win a mating war.

The New World screwworm fly is threatening the $113 billion U.S. cattle industry for the first time in more than a half century, with an infestation from its flesh-eating larvae…