5/5. Humans are changing our planet so rapidly, it's affecting earth's life support systems: our weather, our oceans and the living world. Also in HD. [S,AD,SL]
3/5. Weather controls the distribution of freshwater on Earth, which in turn shapes the lives of animals in diverse habitats around the globe. Also in HD. [S,AD,SL]
2/5. 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. Also in HD. [S,AD,SL]