India, Dec. 17 -- Solar waste is expected to increase three times to reach 340 kt by 2030, analysis by India's G20 Secretariat, Council on Energy Environment and Water (CEEW), RMI, World Resources Institute (WRI) along with authors from several think tanks said.

"Unlocking India's Circular Waste Economy Potential for Sustainability" captures how this waste can be utilised in seven key sectors including: solar panels, batteries, steel, construction and demolition, agricultural waste, wastewater, and municipal solid waste.

The addition of new solar capacities by 2030 to meet India's nationally determined contribution targets under Paris Agreement could create cumulative solar waste of 19 million tonnes by 2050, experts said.

Around 100 k...