Forces of Nature

Greening of the Serengeti

Clip: Episode 3 | 2m 1s

After a long, dry summer, the parched, brown plains of the Serengeti into a lush green blanket of grass with the onset of the rainy season. The green grass is colored by the pigment chlorophyll which harnesses the energy from the sunlight. In a process called photosynthesis it transforms carbon dioxide and water into sugars which can feed cows, humans and the wildlife of the Serengeti.

Aired: 09/27/16

Rating: TV-PG

Video has closed captioning.