Joshi has made films on a range of topics: communal conflict, ecological crisis and spiritual philosophy. Her career began with documenting conflicts of Gujarat 2002 – "Passengers: A Video Journey in Gujarat". Then she took four years to make a film on ecological changes on the banks of Chilika Lake in Odisha (formerly known as Orissa) ("Chilika Bank$: Stories from India's largest Coastal Lake"). She then made her film on climate change – "Earth Witness: Reflections on the times and the timeless".