CASCADE TOWNSHIP It’s an increasingly familiar sight in U.S. cities and suburbs: A van pulls up to the curb. Workers wearing gloves, masks and other protective gear strap on backpack-type mechanisms with plastic hoses, similar to leaf blowers.
It s an increasingly familiar sight in U.S. cities and suburbs: workers in gloves and masks, spraying yards for mosquitoes. But the chemical bombardment worries scientists who fear over-use of pesticides is harming pollinators and worsening a growing threat to birds that eat insects.