Priyadarshini Karve

Award-winning scientist, Dr Priyadarshini Karve from Pune, has worked to mitigate air pollution through burning of agricultural waste since 1997. Here's how she chanced upon her biochar innovations

Jojo John, an anaesthetist from Kochi in Kerala, narrates how his switch to solar energy reduced his electricity bills from Rs 4000 to Rs 140 and switching to a solar-powered electric vehicle brought his fuel costs down to zero