The use of solar cells is growing in popularity as a renewable energy source, but a new study has found that many of these cells contain toxic metals that can contaminate the environment. Researchers from the University of Toronto found that many of the solar cells that are currently on the market contain cadmium, lead, and other toxic metals that can leach into groundwater and soil. This could lead to serious health and environmental issues, such as water and soil contamination, if the cells are not recycled or disposed of properly. The researchers are now calling for better regulation of solar cell production to ensure that these toxic metals are not used in the manufacturing process.

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source: Phys.org