A quarterly newsletter featuring CSTEP commentary, publications, events, and other developments.

The solar photovoltaic industry is witnessing a remarkable expansion worldwide. India is ranked fourth globally in ground-mounted photovoltaic deployment. While this is impressive, the waste resulting from such end-of-life photovoltaic panels is expected to be enormous at 4.5 million tonnes by 2050, as per our estimates. In the absence of suitable infrastructure facilities and a lack of proactive policies for recycling, waste accumulation can become an unmanageable problem.

The study conducted by the Center for Study of Science, Technology and Policy (CSTEP) employed a hybrid measurement approach to generate high-resolution air pollution maps. A mobile monitoring campaign was conducted where various monitoring instruments were set up in a CNG-fuelled car, which covered approximately 10% of the city's roads, to measure on-road mass concentrations of fine particulate matter (PM2.5), black carbon (BC), and number concentrations of ultrafine particles (UFPs).

The Indian Railways, one of the biggest train networks worldwide, transports over 24 million passengers and 3 MT of freight daily. It is a major energy consumer in the country with a significant emission footprint. To overcome these challenges, the government has set a target to achieve 100% electrification of the railway network by 2024. Currently, 80% of the routes have already been electrified. However, the cost effectiveness and technical feasibility of complete electrification in areas with low grid access or inaccessible terrain or in routes with low frequency remain unclear.