13:37

The Time Bacteria Caused The Largest Extinction Event Ever! GEO GIRL

22:20

Busting Climate Change Myths / How Climate Change Actually Works | GEO GIRL

18:30

Did Snowball Earth Cause an Explosion or Extinction of Life? GEO GIRL

16:44

Top 5 Geology Myths / What It Really Means to Be a Geologist | GEO GIRL

19:03

Did Snowball Earth Force Animal Evolution? & What Were The First Animals? GEO GIRL

34:51

Using Life, Rocks & Big Mirrors to Combat Climate Change (+ Potential Consequences) | GEO GIRL

26:16

Where Earth’s Energy Comes From & Pros/Cons of Renewable Energy | GEO GIRL

32:01

Not ALL Tectonics is ‘Plate’ Tectonics (w/Steven Baumann!) | GEO GIRL

13:53

5 Ways We Distinguish Human-Induced vs Natural Climate Change | GEO GIRL

15:54

How Avian Dinosaurs (Birds) Survived the Asteroid Impact that Killed Non-Avian Dinosaurs | GEO GIRL

17:15

Significance of the Greenhouse Effect on Earth & Other Planets | GEO GIRL

18:06

How Mammals Survived the Asteroid Impact that Wiped Out Dinosaurs | GEO GIRL

15:44

Causes & Effects of Ocean Warming, Acidification, Anoxia, & Sea Level Rise | GEO GIRL

16:45

When Sea Scorpions Ruled The Seas! GEO GIRL

19:19

How Ocean Chemistry Affects Global Climate & Vice Versa | GEO GIRL

14:28

How Ocean Circulation Affects Global Climate & Vice Versa | GEO GIRL

21:24

How Earth’s Lithosphere (Rocks) Affects & is Affected by Climate Change | GEO GIRL

33:20

The Atmosphere’s Impact on Climate & Life on Earth | GEO GIRL

17:24

Giant Moss Balls! (Where & How They Form) | GEO GIRL

17:24

Life Update (Graduation, Moving, Future Content, & Thank You!) | GEO GIRL

27:01

What Are The Biogeochemical Cycles & How Do They Work? GEO GIRL

18:14

Biogeochemistry Basics Fundamental to Earth Science! GEO GIRL

18:55

All the Times Mammals Went Back to Sea- From Walking Whales to Running Seals! GEO GIRL

25:10

Why We Study Earth's Past & How We Apply This Knowledge | GEO GIRL

21:28

How Giant Rock Balls Form! GEO GIRL

32:08

True Fossils vs Pseudofossils (How to Recognize Pseudofossils) | GEO GIRL

27:36

The Key to Geologic Dating- How Do We Know The Rock's Initial Isotope Composition? GEO GIRL

28:11

Why Animals Can Get So Big! The Energy Hierarchy of Life | GEO GIRL

22:02

Where Did Earth's Water Come From? & How Do We Know? GEO GIRL

22:53

The Ocean Fertilization Plan & Its Potential Consequences | GEO GIRL

19:15

Evolution of Sharks Over 450 million years! GEO GIRL

17:07

How The Sahara Desert Feeds Life in The Amazon Rainforest! GEO GIRL

10:02

All the Times The Sahara Desert Was Green (or Even Ice-Covered)! GEO GIRL

29:01

5 (More) Times Plate Tectonics Caused Major Climate Events! GEO GIRL

12:23

The Early Animal That Should’ve Never Gone Extinct🪸 GEO GIRL

21:48

5 Times Plate Tectonics Caused Global Climate Change! GEO GIRL

17:28

Mesozoic Marine Reptiles: Dolphins🐬 or Sea Monsters🦈? GEO GIRL

21:19

How & Why Earth Went From Purple to Green (Twice!) | GEO GIRL

14:04

The First Apex Predators on Earth (that we know of)! 🦐 GEO GIRL

15:55

Were Trilobites the most successful animal ever?!🪳 GEO GIRL

27:15

Why Microbes Are Necessary for All Life on Earth! GEO GIRL

51:24

How We Know What Happened in Earth's Past, like Ancient Climate, Geology, & Extinctions | GEO GIRL

18:16

Differences between Weathering & Erosion + How They Work Together to Create Landscapes | GEO GIRL

18:13

Calcium Carbonate Mineral Formation, Dissolution, Structures, & Geological Significance | GEO GIRL

21:53

When Diversity of Life on Earth Tripled! GEO GIRL

18:51

How Gemstones Form From Sedimentary & Hydrothermal Processes (8 Examples!) GEO GIRL

11:43

Why Ammonoids Went Extinct at the End Cretaceous While Nautiloids Survived? GEO GIRL

30:10

How Gemstones Form From Igneous & Metamorphic Processes (12 Examples!) GEO GIRL

14:04

Top 5 Ice Ages & Ice Age Causes Through Earth History | GEO GIRL

21:01

Was Climate Change More Extreme on Precambrian Earth vs Post-Cambrian Earth? GEO GIRL

24:20

Mass Extinction Causes that Nobody Talks About! (& Addressing Comments ;) | GEO GIRL

09:23

How Quicksand Works, Where to Find it, & Can it be Preserved in The Rock Record? GEO GIRL

25:05

The Major Causes of Mass Extinction Events in Earth History | GEO GIRL

14:04

The Oldest (Precambrian) Carbonate Minerals / Abiotic vs Biogenic Carbonates | GEO GIRL

18:01

Mass Extinction Events from the Devonian to Jurassic that Nobody Talks about! GEO GIRL

20:14

Mass Extinction Events from the Precambrian to Mid-Paleozoic that Nobody Talks About! GEO GIRL

28:16

Geologic Time & Dating Rocks Without Isotopes (Biostratigraphy & Lithostratigraphy) | GEO GIRL

17:51

Triton: Moon of Neptune that May Have a Habitable Ocean! GEO GIRL

10:15

How Huge Ice Balls Form on This Beach! GEO GIRL

16:33

What Causes Earthquakes & Why Can't We Predict Earthquakes? GEO GIRL