Google Seeks Approval to Release 32 Million Lab-Modified Mosquitoes in U.S.

Google's subsidiary has applied to U.S. authorities for permission to release up to 32 million lab-sterilized mosquitoes in California and Florida. The initiative, part of the "Debug" project, aims to reduce populations of insects that transmit dangerous diseases. The company states its goal is to "stop bad bugs with good bugs."

Mosquitoes are considered the deadliest animals to humans, causing millions of illnesses and hundreds of thousands of deaths annually through diseases like dengue, malaria, Zika virus, chikungunya, and West Nile virus. According to documents filed with U.S. authorities, the Environmental Protection Agency is reviewing Google's request to release up to 16 million mosquitoes per year for two years. A final decision will be made after a public comment period, scheduled to end June 5.

The program targets the Aedes aegypti mosquito species, known for spreading dengue fever, Zika virus, yellow fever, and chikungunya. The method involves infecting male mosquitoes with a natural bacterium called Wolbachia. These males do not bite or transmit diseases, but when they mate with wild females, the resulting eggs do not hatch, gradually reducing the mosquito population over generations. Google claims this approach is a safer alternative to traditional pesticides, which can become ineffective and harm the environment.

The Debug division coordinates the project, using sensors, automated systems, and artificial intelligence for insect rearing and selection. This technology helps separate males from females and determine optimal release areas and quantities. The program has been tested for about a decade, with promising results reported in Singapore. Local authorities there noted an 80-90% reduction in Aedes aegypti populations and a more than 70% decrease in dengue cases within six to twelve months. Google announced an expansion of the program in Singapore in May, citing confidence in its effectiveness for other mosquito-borne disease-affected regions. However, experts emphasize that any large-scale expansion requires careful assessment of potential impacts on local ecosystems and long-term safety guarantees.