Bill and Webb want to know: What's stronger, wind or water? Both of them can change the shape of the land. So which one does it better?

The Grand Canyon is super-wide and super-deep, which might make you think that the Colorado River, which carved it, is particularly old or powerful. Or at least that's what I thought.

I was in Arizona recently for Phoenix Comic-Con, and had the amazing pleasure of seeing one of Earth's greatest natural wonders… the Grand Canyon. More than a mile deep, and several miles across, it just defies belief. But I couldn't...

It's more than climate change putting coastal cities at risk of catastrophic flooding. Subsidence, or sinking, affects cities as they pump out groundwater to use. The solution might be as simple as putting it back.

This was an important week in the battle out west over water use. Seven states along the Colorado River basin were supposed to reach a collective agreement on how to use less water from an ever-shrinking river, but they failed to do so....

In the early 20th century, the US had expanded from coast to coast, but many cities in the southwest still lacked reliable water sources. The Colorado River's erratic flow and frequent floods made it unreliable for agriculture, and the...

After being diagnosed with a rare genetic condition that deteriorates muscle, Cara E. Yar Khan was told she'd have to limit her career ambitions and dial down her dreams. She ignored that advice and instead continued to pursue her...

So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina...

If you compare precipitation around the world with population distribution we can understand a simple but powerful pattern of human geography: where there is water, there are people. But it gets a little more complicated because where...

Nature creates some pretty amazing things, and one of the largest of these is The Grand Canyon!

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in...

Synthesizing multiple sources in a crucial part of any research project. It's the step where we take information from all of our sources and combine it together into a single project or paper. In this video, we'll explain how to analyze...

The Grand Canyon is one of the most iconic natural landmarks in the United States. Carved by the Colorado River over millions of years, it reveals a stunning geological history through its layered rock formations. Stretching 277 miles...

This episode explores the mystery of the vanishing Colorado River Delta. Once a lifeline for the American Southwest, it's now a shadow of its former self. What happened? Outdated water laws? Excessive urban development and agriculture?...

Discover the incredible history and engineering behind the Hoover Dam in this short and informative video. Learn how this massive concrete structure was built during the Great Depression and why it remains one of the most famous dams in...

Learn about the longest rivers in the United States, and their roles in shaping the nation's landscape, culture, and history.

The Southwest of the United States is often touted as one of the fastest growing regions in the country. But that really only applies to a few key areas, namely Las Vegas and Phoenix in the west, and large Texan cities in the east. But...

Adventures at the Grand Canyon:Then get ready, it's time to explore the magnificent Grand Canyon... We'll hike, sail the rapids, camp under the stars; and climb a bridge to watch the canyon on a transparent walkway.

The Colorado Basin provides water to over 40 million people in 7 US states and it is currently experiencing its worst drought in 1200 years! But unlike other droughts, our actions may have real impacts on the outcome and it’s very likely...

As global warming continues, we are going to continue seeing record droughts and many places are, simply, going to have to live with far less water. But, more specifically, it means we are going to need to innovate both how cities and...

We try to get to the bottom of this paradox and unravel the role that climate change is truly playing in our increasingly erratic weather and precipitation patterns. We also look at large climatological elements like atmospheric rivers...

Learn about the 6 million-year-old history of The Grand Canyon, its habitation by early Native Americans, and later discovery by Spanish explorers.

This video takes you on a journey to two of North America's Seven Natural Wonders. Discover the immense scale and ancient history of the Grand Canyon, carved by the Colorado River in Arizona, and explore the story behind Parícutin, a...

Dr. Forrester describes the ways that severe environmental conditions, such as earthquakes, wildfires, mudslides, and droughts, challenged settlers in the United States. She talks about how the Hoover Dam was built for flood control. She...