India and the United States are preparing to launch the NISAR satellite, it is the world’s single most expensive civilian Earth imaging satellite made at cost of $ 1.3 billion. The satellite will be launched from Sriharikota on Wednesday and it will track earthquakes, landslides, glaciers, and climate change. It’s a landmark mission in climate science and disaster preparedness said Dr Paul Rosen a Scientist at NASA while speaking exclusively to NDTV’s Science Editor Pallava Bagla