Decoding the Weather Machine

Disastrous hurricanes. Widespread droughts and wildfires. Withering heat. Extreme rainfall. It is hard not to conclude that something’s up with the weather, and many scientists agree. It’s the result of the weather machine itself—our climate—changing, becoming hotter and more erratic. In this 2-hour documentary, NOVA will cut through the confusion around climate change.

Season 45 Episode 7 Length 1:53:21 Premiere: 03/09/18

Recent Episodes

Your Brain: Who's in Control?

S50 E10 Length 53:31 Premiere Date 05/24/23

Your Brain: Perception Deception

S50 E9 Length 53:30 Premiere Date 05/17/23

Hidden Volcano Abyss

S50 E8 Length 53:20 Premiere Date 05/10/23

Saving the Right Whale

S50 E7 Length 53:31 Premiere Date 05/03/23

Chasing Carbon Zero

S50 E6 Length 53:31 Premiere Date 04/26/23

Weathering the Future

S50 E5 Length 53:31 Premiere Date 04/12/23

Clips & Previews

Decoding the Weather Machine Trailer

Preview Length 01:49 Premiere Date 03/09/18

Decoding the Weather Machine Prologue

Preview Length 02:04 Premiere Date 03/09/18

Climate Change's Best Hope

Clip Length 01:17 Premiere Date 03/09/18

Understanding the Climate Clock

Clip Length 05:06 Premiere Date 03/09/18

Why There's No Climate Hoax

Clip Length 01:20 Premiere Date 03/09/18

Faith and Climate Change

Clip Length 02:02 Premiere Date 03/09/18

Wild Ways to Find a Mate

Clip Length 03:44 Premiere Date 02/14/18

What Is Blockchain?

Clip Length 03:17 Premiere Date 02/07/18

What Is Bitcoin?

Clip Length 02:14 Premiere Date 02/07/18

Seeing Quantum with the Naked Eye

Clip Length 03:55 Premiere Date 02/06/18

Can Tech Save Players’ Brains?

Clip Length 02:49 Premiere Date 02/03/18

Does the Flu Shot Work?

Clip Length 02:14 Premiere Date 01/17/18

Specials

Picture a Scientist (with Audio Description)

Length 1:52:37 Premiere Date 04/14/21

Beyond the Elements: Life (with Audio Description)

Length 53:17 Premiere Date 02/17/21

Beyond the Elements: Indestructible (with Audio Description)

Length 53:17 Premiere Date 02/10/21

Beyond the Elements: Reactions (with Audio Description)

Length 53:17 Premiere Date 02/03/21

Secrets in our DNA (with Audio Description)

Length 53:26 Premiere Date 01/13/21

Treasures Metals Eiffel Tower

Length 02:09 Premiere Date 12/09/16

A Labyrinth of Lava

Length 01:13 Premiere Date 11/02/15

No Dinosaurs Above the Line

Length 02:00 Premiere Date 10/22/15

Mammal Survivors

Length 01:40 Premiere Date 10/22/15

Dinosaur Fossils

Length 01:53 Premiere Date 10/22/15

King of Gore

Length 02:00 Premiere Date 10/22/15

Driving Dinosaur Diversity

Length 01:47 Premiere Date 10/22/15

Pangea

Length 00:56 Premiere Date 10/22/15

Making Granite From Volcanic Rock

Length 02:16 Premiere Date 10/22/15

A Massive Volcanic Eruption

Length 01:14 Premiere Date 10/22/15

From Mud to Rock

Length 01:36 Premiere Date 10/22/15

Finding Stromatolites

Length 01:23 Premiere Date 10/22/15

Stromatolites Were Kings

Length 01:05 Premiere Date 10/22/15

Ancient Life

Length 00:28 Premiere Date 10/22/15

Millions of Years Captured in Chalk

Length 01:17 Premiere Date 10/22/15

A Fourteen-Foot Fish From Kansas

Length 01:38 Premiere Date 10/22/15

Hell Creek Formation

Length 01:10 Premiere Date 10/22/15

Fossilized Sand Dunes

Length 01:15 Premiere Date 10/21/15

Volcanoes of Sand

Length 01:33 Premiere Date 10/21/15

Rockies 2.0

Length 02:00 Premiere Date 10/21/15

Manhattan Schist

Length 01:13 Premiere Date 10/21/15

Manhattan Skyline

Length 00:52 Premiere Date 10/21/15

New York's Mountains

Length 01:13 Premiere Date 10/21/15

Rock Time Capsules

Length 01:18 Premiere Date 10/21/15

The Sandstone Top of the Canyon

Length 01:15 Premiere Date 10/21/15

Fossil-Filled Limestone

Length 00:54 Premiere Date 10/21/15

The Grand Canyon's Oldest Rocks

Length 00:19 Premiere Date 10/21/15

From Lava to Land

Length 02:14 Premiere Date 10/21/15

Semi-Precious Pebbles

Length 00:57 Premiere Date 10/21/15

Five Steps of Volcanic Rock

Length 00:26 Premiere Date 10/21/15

Tearing North America Apart

Length 01:01 Premiere Date 10/21/15

Mount Kilauea

Length 01:30 Premiere Date 08/02/15

Grand Canyon 1

Length 01:19 Premiere Date 08/02/15

Grand Canyon 2

Length 01:05 Premiere Date 08/02/15

Grand Canyon 3

Length 00:58 Premiere Date 08/02/15

Grand Canyon 4

Length 00:19 Premiere Date 08/02/15

Mendenhall Glacier

Length 02:51 Premiere Date 08/02/15

Monument Rocks 1

Length 01:18 Premiere Date 08/02/15

Monument Rocks 2

Length 01:48 Premiere Date 08/02/15

Exuma Cays 1

Length 01:26 Premiere Date 08/02/15

Exuma Cays 3

Length 00:28 Premiere Date 08/02/15

Exuma Cays 4

Length 03:22 Premiere Date 08/02/15

Gooseberry Falls 1

Length 00:57 Premiere Date 08/02/15

Gooseberry Falls 2

Length 00:24 Premiere Date 08/02/15

Gooseberry Falls 3

Length 01:06 Premiere Date 08/02/15

Gooseberry Falls 4

Length 01:01 Premiere Date 08/02/15

Lethal Seas Excerpt 1

Length 04:11 Premiere Date 05/12/15

Lethal Seas Excerpt 2

Length 01:00 Premiere Date 05/12/15

Lethal Seas Excerpt 3

Length 00:35 Premiere Date 05/12/15

Lethal Seas Excerpt 4

Length 00:51 Premiere Date 05/12/15

The Mother of Hubble

Length 02:28 Premiere Date 04/14/15

Formation of a Typhoon

Length 01:34 Premiere Date 06/25/14

Flatfish Larvae

Length 00:51 Premiere Date 05/06/14

RNAi Explained

Length 01:47 Premiere Date 04/22/14

Dolphin Mirror

Length 03:18 Premiere Date 04/22/14

Dogs' Sense of Time

Length 01:28 Premiere Date 04/13/14

Cockatoo Excerpt

Length 01:30 Premiere Date 04/08/14

How Solar Cells Work

Length 00:33 Premiere Date 02/26/14

Solar Power's Promise

Length 00:51 Premiere Date 02/26/14

Microneedle

Length 01:41 Premiere Date 12/30/13

GM Plants

Length 01:27 Premiere Date 11/15/13

Non-Newtonian Gel

Length 01:00 Premiere Date 11/15/13

Soft-Story Buildings

Length 07:36 Premiere Date 11/13/13

Levitation

Length 00:50 Premiere Date 10/24/13

Superconductor

Length 01:47 Premiere Date 10/24/13

Animal Robot 1

Length 02:35 Premiere Date 10/24/13

Animal Robot 2

Length 02:02 Premiere Date 10/24/13

Therapeutic Hypothermia

Length 01:11 Premiere Date 10/24/13

Therapeutic Hypothermia 2

Length 01:07 Premiere Date 10/24/13

Therapeutic Hypothermia 3

Length 01:43 Premiere Date 10/24/13

Therapeutic Hypothermia 4

Length 02:01 Premiere Date 10/24/13

Swarming Robots

Length 01:31 Premiere Date 10/21/13

Sneak Peek: Making Stuff Wilder

Length 06:14 Premiere Date 10/21/13

Virus Battery

Length 02:21 Premiere Date 10/19/13

Shelley

Length 02:07 Premiere Date 10/19/13

Robot Arm

Length 00:56 Premiere Date 10/19/13

Elephant Arm

Length 01:22 Premiere Date 10/19/13

FinGripper

Length 00:55 Premiere Date 10/19/13

Sail Wing

Length 01:02 Premiere Date 10/19/13

Hydrofoil

Length 01:01 Premiere Date 10/19/13

Chicken Feathers

Length 01:56 Premiere Date 10/19/13

KillaCycle

Length 00:48 Premiere Date 10/19/13

How Batteries Work

Length 00:49 Premiere Date 10/19/13

Muon Detection

Length 01:52 Premiere Date 10/19/13

Muons

Length 01:25 Premiere Date 10/19/13

Plants White

Length 02:11 Premiere Date 10/19/13

DNA Patch

Length 01:19 Premiere Date 10/19/13

DNA Vaccine

Length 00:38 Premiere Date 10/19/13

Earthquake Test

Length 02:03 Premiere Date 10/19/13

David Drives

Length 01:27 Premiere Date 10/19/13

Pitcher Plant

Length 01:48 Premiere Date 10/17/13

SLIPS

Length 01:01 Premiere Date 10/17/13

Hagfish

Length 00:51 Premiere Date 10/17/13

Hagfish Defense

Length 01:36 Premiere Date 10/17/13

Slime Clothes

Length 01:00 Premiere Date 10/17/13

New York City One Year Later: Telecommunications

Length 03:14 Premiere Date 10/16/13

Sneak Peek: Making Stuff Faster

Length 05:06 Premiere Date 10/15/13

David's Race

Length 01:28 Premiere Date 10/15/13

Steffen's Plan

Length 01:59 Premiere Date 10/15/13

Traveling Salesman

Length 01:21 Premiere Date 10/15/13

Eye Robot

Length 01:51 Premiere Date 10/10/13

Corkscrew Robot

Length 00:32 Premiere Date 10/10/13

Slow Goldfish

Length 01:39 Premiere Date 10/10/13

Bee Toxin

Length 01:31 Premiere Date 10/10/13

Mild Traumatic Brain Injury

Length 03:36 Premiere Date 10/07/13

Invisibility Cloak

Length 01:22 Premiere Date 09/24/13

Shape Memory Alloys

Length 00:32 Premiere Date 09/08/13

Jellyfish

Length 00:38 Premiere Date 09/08/13

Bird Wings

Length 01:56 Premiere Date 09/08/13

Shrinking Chips

Length 01:06 Premiere Date 09/05/13

Pizza Transistor

Length 01:34 Premiere Date 09/05/13

Graphene

Length 01:11 Premiere Date 09/05/13

Wheat Straw Plastic

Length 01:04 Premiere Date 08/29/13

Solar Leaves

Length 00:53 Premiere Date 08/29/13

Battle Jacket

Length 01:49 Premiere Date 08/29/13

Oobleck

Length 00:40 Premiere Date 08/29/13

Magnetic Oobleck

Length 00:54 Premiere Date 08/29/13

Life-Saving Non-Newtonian Fluids

Length 01:43 Premiere Date 08/29/13

Silicon Transistors

Length 00:50 Premiere Date 08/29/13

Starling 8

Length 00:44 Premiere Date 07/15/13

sandy-raw-5-1

Length 01:02 Premiere Date 07/08/13

sandy-raw-1-2

Length 00:04 Premiere Date 07/08/13

Chemotherapy Goes Small

Length 01:17 Premiere Date 07/01/13

The Making of a Cloud Old

Length 03:10 Premiere Date 06/30/13

Why So Many Cloud Types?

Length 03:35 Premiere Date 06/30/13

Clouds and Weather

Length 03:21 Premiere Date 06/30/13

Severe Storms

Length 03:37 Premiere Date 06/30/13

The Climate Wild Card

Length 03:02 Premiere Date 06/30/13

Life on Europa?

Length 02:25 Premiere Date 06/09/13

CloudLab_Megastorm_07

Length 03:07 Premiere Date 05/29/13

CloudLab_Megastorm_03

Length 01:41 Premiere Date 05/29/13

CloudLab_Megastorm_04

Length 01:43 Premiere Date 05/29/13

CloudLab_Megastorm_05

Length 01:04 Premiere Date 05/29/13

CloudLab_Megastorm_06

Length 00:40 Premiere Date 05/29/13

CloudLab_Megastorm_01

Length 00:35 Premiere Date 05/28/13

CloudLab_Megastorm_02

Length 00:31 Premiere Date 05/28/13

What Made the 1918 Flu So Deadly?

Length 01:28 Premiere Date 05/13/13

How the 1918 Flu Infected People

Length 00:25 Premiere Date 05/13/13

Fertilizing the Amazon

Length 03:27 Premiere Date 04/21/13

Flu Probabilities

Length 01:53 Premiere Date 04/16/13

Rare Earth Elements

Length 04:17 Premiere Date 04/01/13

CHNOPS: Ingredients for Life

Length 02:36 Premiere Date 03/12/13

Electromagnetic Spectrum

Length 00:44 Premiere Date 02/28/13

MODIS Sensor

Length 00:26 Premiere Date 02/28/13

Solving the Storage Problem

Length 02:26 Premiere Date 10/25/12

Putting Energy to Use Old

Length 02:14 Premiere Date 10/08/12

Season 45 Episodes

Show Episodes

Show Clips & Previews

World's Fastest Animal

S45 E17 Length 53:04 Premiere Date 11/21/18

Thai Cave Rescue

S45 E14 Length 53:34 Premiere Date 10/29/18

Addiction

S45 E12 Length 53:45 Premiere Date 09/25/18

Volcano on the Brink

S45 E11 Length 53:37 Premiere Date 09/19/18

Volcano on Fire

S45 E10 Length 53:37 Premiere Date 09/19/18

Decoding the Weather Machine

S45 E7 Length 1:53:21 Premiere Date 03/09/18

Black Hole Apocalypse

S45 E1 Length 1:52:46 Premiere Date 12/06/17

Decoding the Weather Machine Trailer

Preview Length 01:49 Premiere Date 03/09/18

Decoding the Weather Machine Prologue

Preview Length 02:04 Premiere Date 03/09/18

Climate Change's Best Hope

Clip Length 01:17 Premiere Date 03/09/18

Understanding the Climate Clock

Clip Length 05:06 Premiere Date 03/09/18

Why There's No Climate Hoax

Clip Length 01:20 Premiere Date 03/09/18

Faith and Climate Change

Clip Length 02:02 Premiere Date 03/09/18

Wild Ways to Find a Mate

Clip Length 03:44 Premiere Date 02/14/18

What Is Blockchain?

Clip Length 03:17 Premiere Date 02/07/18

What Is Bitcoin?

Clip Length 02:14 Premiere Date 02/07/18

Seeing Quantum with the Naked Eye

Clip Length 03:55 Premiere Date 02/06/18

Can Tech Save Players’ Brains?

Clip Length 02:49 Premiere Date 02/03/18

Does the Flu Shot Work?

Clip Length 02:14 Premiere Date 01/17/18

See All Episodes

TV Schedules

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Upcoming

Operation Lighthouse Rescue - S43 E13

Premiered On: 05/04/2016

Engineers race to rescue the Gay Head Lighthouse, a historic landmark perched high on the cliffs of Martha's Vineyard, soon to become the next victim of the ocean's erosion of the island's cliffs.

Tuesday October 3, 2023 7:00 pm ET on KETWORLD
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Ancient Earth: Birth of the Sky - S50 E11

Discover how Earth transformed from a barren hellscape to a planet capable of sustaining life. Animation and science experts reveal how the blue sky came to be.

Wednesday October 4, 2023 9:00 pm ET on KET
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Ancient Earth: Frozen - S50 E12

Scientists investigate how life evolved after a global freeze threatened its survival 700 million years ago.

Wednesday October 11, 2023 9:00 pm ET on KET
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Ancient Earth: Life Rising - S50 E13

Discover how life made the leap to land, transforming a barren, rocky landscape into the lush, green world.

Wednesday October 18, 2023 9:00 pm ET on KET
Wednesday October 18, 2023 8:00 pm CT on KET
Friday October 20, 2023 2:00 am ET on KET
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Ancient Earth: Inferno - S50 E14

Scientists piece together geologic evidence from the past and clues from the Earth's ecosystems to determine how life made it through a cataclysmic extinction that wiped out about 90 percent of all species 252 million years ago.

Wednesday October 25, 2023 9:00 pm ET on KET
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Ancient Earth: Humans - S50 E15

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Jump to Upcoming Airdates

Recent

Operation Lighthouse Rescue - S43 E13

Tuesday October 3, 2023 12:00 am ET on KET2
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London Super Tunnel - S50 E1

Wednesday September 27, 2023 8:00 am ET on KETWORLD
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Rebuilding Notre Dame - S49 E13

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Saving Venice - S49 E12

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Sunken Ship Rescue - S42 E2

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Arctic Ghost Ship - S42 E16

Wednesday September 6, 2023 8:00 am ET on KETWORLD
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Top

Decoding the Weather Machine

Recent Episodes

Your Brain: Who's in Control?

Your Brain: Perception Deception

Hidden Volcano Abyss

Saving the Right Whale

Chasing Carbon Zero

Weathering the Future

Sponsored by:

Clips & Previews

Decoding the Weather Machine Trailer

Decoding the Weather Machine Prologue

Climate Change's Best Hope

Understanding the Climate Clock

Why There's No Climate Hoax

Faith and Climate Change

Wild Ways to Find a Mate

What Is Blockchain?

What Is Bitcoin?

Seeing Quantum with the Naked Eye

Can Tech Save Players’ Brains?

Does the Flu Shot Work?

Specials

Picture a Scientist (with Audio Description)

Beyond the Elements: Life (with Audio Description)

Beyond the Elements: Indestructible (with Audio Description)

Beyond the Elements: Reactions (with Audio Description)

Secrets in our DNA (with Audio Description)

Treasures Metals Eiffel Tower

A Labyrinth of Lava

No Dinosaurs Above the Line

Mammal Survivors

Dinosaur Fossils

King of Gore

Driving Dinosaur Diversity

Pangea

Making Granite From Volcanic Rock

A Massive Volcanic Eruption

From Mud to Rock

Finding Stromatolites

Stromatolites Were Kings

Ancient Life

Millions of Years Captured in Chalk

A Fourteen-Foot Fish From Kansas

Hell Creek Formation

Fossilized Sand Dunes

Volcanoes of Sand

Rockies 2.0

Manhattan Schist

Manhattan Skyline

New York's Mountains

Rock Time Capsules

The Sandstone Top of the Canyon

Fossil-Filled Limestone

The Grand Canyon's Oldest Rocks

From Lava to Land

Semi-Precious Pebbles

Five Steps of Volcanic Rock

Tearing North America Apart

Mount Kilauea

Grand Canyon 1

Grand Canyon 2

Grand Canyon 3

Grand Canyon 4

Mendenhall Glacier

Monument Rocks 1

Monument Rocks 2

Exuma Cays 1

Exuma Cays 3

Exuma Cays 4

Gooseberry Falls 1

Gooseberry Falls 2

Gooseberry Falls 3

Gooseberry Falls 4

Lethal Seas Excerpt 1

Lethal Seas Excerpt 2

Lethal Seas Excerpt 3

Lethal Seas Excerpt 4

The Mother of Hubble

Formation of a Typhoon