Backyard mosquito spraying booms, but may be too deadly
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. Revving up the motors, they drench trees, bushes and even house walls with pesticides targeting an age-old menace: mosquitoes.
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