evidence: The first release of genetically modified mosquitoes in the United States began this week in the Florida Keys – the culmination of a decade-long effort by local mosquito control authorities to see if a genetically modified organism is a viable alternative to spraying insecticides in the region. [...] First release of GMO mosquito in US The Florida Keys project, greenlit by the US Environment Protection Agency in May 2020, was approved to release up to 750 million genetically altered mosquitoes in 2021 and 2022.