Google wants to release up to 32 million sterilised mosquitos in the US

Google has asked the US Environmental Protection Agency (EPA) to approve the release of up to 32 million sterilized male mosquitoes in California and Florida over two years. The project aims to reduce mosquito populations using the Sterile Insect Technique (SIT), where lab-reared mosquitoes carrying wolbachia bacteria are released into the wild. These mosquitoes are sterile and unable to produce offspring when mating with wild females, gradually lowering local populations. The EPA is reviewing Google’s proposal to release 16 million mosquitoes annually. Entomologist Rachael Horner explained that only male mosquitoes will be used, as they do not bite and cannot transmit diseases like dengue, malaria, or Zika. Wolbachia bacteria in the mosquitoes disrupt reproduction, ensuring no viable offspring are produced. Horner noted that SIT is a proven pest management method but requires significant investment in research and logistics. Transporting and releasing large numbers of delicate mosquitoes presents challenges, though the approach has been used successfully in other regions. Google’s involvement in mosquito control marks an unusual but scientifically grounded initiative. While some may question the tech giant’s foray into public health, Horner supported the effort, emphasizing the need for innovation in addressing global health challenges. The project could serve as a model for future disease prevention strategies in urban areas.