By 2060, discarded solar panels could total to 402 million tonnes; recycling them could...

{}Discarded solar panels will create significant waste by 2060, posing environmental risks. Proper recycling can unlock nearly one trillion dollars in economic value from these materials. Middle-income countries, especially China, will become major sources of retired solar panels. A phased subsidy strategy can ensure fairer economic benefits between richer and poorer regions. Building recycling capacity now prepares for a growing waste stream and strengthens supply chains.