Changing Planet

Global conservationist Dr. M Sanjayan is in California, as it suffers the longest dry period in a thousand years.

Dr. M. Sanjayan explores seven of Earth's bellwether biomes.

The second year of the BBC's ambitious, 7-year, natural history project sees 6 presenters re-visit 6 of the planet's most threatened ecosystems to meet the people fighting to restore the earth's delicate balance.

It’s year two of BBC’s ambitious, seven year project charting the fortunes of six of Earth’s most threatened ecosystems, and in the second episode we join three presenters as they celebrate the experts and communities fighting to rebalance another trio of vulnerable habitats.

A visit to the Maldives focuses on coral reefs and the urgent efforts to help them survive climate change.