Fiber-optic cables used to guide drones are blanketing Ukraine’s front line. Researchers are only beginning to understand their environmental impact.

The Russia-Ukraine war has long been called a “war of drones.” Now, the fiber-optic cables that guide many of those drones are piling up across the front line. Impossible to clear while the fighting continues, they’ve become traps for birds and other wildlife, while the cables themselves — along with the lithium batter

A Ukrainian soldier with a recon drone in the Sumy region. Francisco Richart/SOPA Images/LightRocket via Getty Images Ukraine's "Amazon for war" has cut delivery times to about eight days on average, Kyiv said. Brave1 Market lets troops order combat drones and tactical gear directly from manufacturers. In June, Ukrain