Season 4 Preview

Dr. M. Sanjayan visits northern California where the largest river restoration project in United States history is aiming to bring life back to a sacred river.

In the third year of this 7-year project examining the issues facing the planet’s most threatened ecosystems, Dr. M. Sanjayan visits the Maldives to take an in-depth look at coral reefs and the urgent efforts to help them survive climate change.

Changing Planet returns to six vulnerable habitats from Greenland’s frozen wilderness to the forests of Cambodia. Sanjayan visits Australia’s east coast to explore mangrove forests, spot dugongs and better understand the potential of blue carbon.