E-waste often contains hazardous materials such as lead, mercury, and cadmium, which can leach into the soil and water if not properly disposed of. Recycling e-waste ensures that these harmful substances are managed safely and do not harm the environment. Properly recycling e-waste keeps it out of landfills, where it can take up space and potentially release toxic substances. This helps reduce the amount of waste in landfills and extends their lifespan.