ecosystem

Few have descended into the absolute darkness of Krem Umladaw. It is one of India's deepest vertical caves and extremely tricky to navigate. However, a rare creature waits at its base. Join Dhritiman Mukherjee and team on an expedition to document the barely known ecosystem.

Under the green valleys of Meghalaya is a spectacular subterranean world of dark tunnels, vertical shafts, underground rivers and a host of creatures. Join Dhritiman Mukherjee and team on an expedition through some of least explored caves in India.

Plankton maybe tiny, microscopic creatures invisible to the naked eye, but they sustain our oceans. Without them life as we know it would cease to exist.

Deg Rai Mata Oran is one of Rajasthan's largest sacred groves. A local guardian tells us how the lives of oran’s people and its biodiversity are intrinsically linked and why the new changes could be detrimental to this sacred oasis