3rd Jan 2021

A look at how without volcanoes, there would be no life on Earth. Although destructive, magma from the planet’s molten core builds land, and mineral-rich ash from eruptions fertilises the surface.

10th Jan 2021

From the frozen poles to the searing deserts, this episode shows how animals have come up with strategies to survive the uneven amounts of sunlight that fall on our planet.

17th Jan 2021

Weather controls the distribution of freshwater around our planet. In turn, shapes the lives of animals across the globe, rising to an incredible diversity of species and habitats.

24th Jan 2021

There are not five separate oceans, but one. Its waters linked by powerful forces that keep them on the move. This constant mixing is vital for the health of oceans and marine life.

31st Jan 2021

Humans are changing our planet so rapidly, it’s affecting earth’s life support systems: our weather, our oceans and the living world.