History of the Earth

Season 1, Episode 15: What Would The Earth Be Like Without Photosynthesis?

All Episodes - Season 1

Episode 1

How Did The Earth Form?

Episode 2

What Was Earth Like 4 Billion Years Ago?

Episode 3

The Mystery of the Late Heavy Bombardment

Episode 4

Where Did Earth's Water Come From?

Episode 5

How Did Life Begin?

Episode 6

What Was The Last Common Ancestor of all Life on Earth?

Episode 7

Were Volcanoes The Key To Life?

Episode 8

Did Life on Earth Come From Space?

Episode 9

What Would The Earth Have Been Like Without Life?

Episode 10

What is the Oldest Fossil on Earth?

Episode 11

How The Earth Got Its Magnetic Field (And Why It Might Not Protect Us Much Longer)

Episode 12

What Was Earth Like 3 Billion Years Ago?

Episode 13

How Bad Was The Great Oxidation Event?

Episode 14

How Did Life Recover From The First Mass Extinction?

Episode 15

What Would The Earth Be Like Without Photosynthesis?

Episode 16

What Was The First Virus?

Episode 17

What Is The Other 99.99% Of Life?

Episode 18

What Was The Earth Like 2 Billion Years Ago?

Episode 19

A Tour of Earth's Ancient Supercontinents

Episode 20

A Tour of Earth's Ancient Superoceans

Episode 21

What Was The "Boring Billion" Really Like?

Episode 22

What Was The First Complex Life on Earth?

Episode 23

What Was The Earth Like 1 Billion Years Ago?

Episode 24

What Was The First Fungus?

Episode 25

Why Did The Earth Totally Freeze For 100 Million Years?

Episode 26

Were These The First Animals?

Episode 27

How Far Back In Time Could You Have Survived On Earth?