When the photovoltaic panels on rooftops are no longer able to efficiently generate clean electricity, those once-bright "blue silicon chips" shouldn't be left to gather dust in landfills - they are "retired heroes" that hold hidden treasures, but could also become environmental hazards. In the past, they absorbed sunlight and converted energy, helping us reduce millions of tons of carbon emissions. Now, if they are discarded or dismantled carelessly, heavy metals like lead and cadmium may seep into soil and water sources, and valuable resources like silicon, silver, and aluminum will be permanently wasted. However, recycling each standard solar panel can extract about 80% of its recyclable materials: silicon wafers can be remelted into new panels, silver paste can be purified and reused, and aluminum frames can be directly recycled. The secondary utilization of these resources not only reduces the ecological damage from mineral extraction, but also extends the story of "clean electricity" from "generation" to a closed loop of "renewal". At present, a global wave of photovoltaic retirement is quietly approaching. To improve the recycling system, we all need to participate: ▶ Enterprises should proactively establish a "production-recycling-remanufacturing" chain to ensure that old panels are disposed of in a standardized manner; ▶ Individuals who replace old panels should choose qualified recycling institutions and refuse to discard them randomly; ▶ All sectors of society should pay attention to innovative recycling technologies to make "turning waste into treasure" more efficient and inclusive. The mission of solar panels should not end with power generation - recycling them is our responsibility to complete the "last mile" of green energy and our gentle commitment to the Earth: ensuring that every effort towards clean energy can create a sustainable future. From "absorbing sunlight" to "recycling and renewal", let the brilliance of solar panels continue to illuminate the future of our planet.