Hank eases our minds about the alleged bacon shortage, and informs us of some actual meat shortages we may see the effects of in the coming years.

In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was...

Today we wrap up the first half of our series on physical geography by taking a closer look at natural hazards - which are physical processes like heat waves and cyclones, earthquakes and volcanic eruptions, and floods and droughts. And...

Rice production needs to see a 50% increase by 2030 to keep up with population growth, but as the climate warms, rice plants will likely become less efficient. Fortunately, scientists are working on a pretty clever potential solution.

How do we make seawater drinkable? And can that technology save California?!

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...

What's both edible, and capable of sending you an email to let you know there's explosives nearby? Spinach! Well, spinach with some nanotechnology embedded within it. Learn how Popeye's favorite veggie is involved in the field of plant...

GPS devices aren't just for keeping you from driving into a lake. They're also helping lots of scientists in unexpected ways.

There's so much water in the ocean, but why can't we drink it? Jessi and Squeaks talk about the difference between ocean water and the water you drink at home.

Humans can go inside or put on clothes, but trees spend winter naked in the cold. Why don't they all die?

From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cyclones on record. The number of extreme weather events has been increasing for the last 40 years, and current...

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...

A straightforward explanation of Climate Change: the heat from human emissions is roughly equal to exploding 400,000 Hiroshima atomic bombs every day. Historically, every time carbon dioxide levels increase in Earth's atmosphere, the...

Whether it's energy, food or insurance, how much more you'll pay in the future depends a lot on where you live. But because of climate change, virtually no one will get away scot-free. The global economy is remarkably versatile and...

This video describes how plants respond to the changes in their environment such as stimuli, drought, and phototropism.

A video titled "Hazards vs Disasters" discusses the difference between the two of them.

A video titled "Categorizing Hazards" discusses the difference between rapid and slow onset hazards.

Howcast - It is especially important to be aware of inefficient water usage during times of drought. Here are some ideas to keep in mind when water supplies start to dwindle.

Lake Mead falls to lowest level since Hoover Dam's construction as "apocalyptic" heatwave and drought hit parts of US.

Scientists know that greenhouse gases from human activities are warming the Earth and causing major changes in the environment. Dr. Jennifer Francis explains that for thousands of years, Earth’s temperature was mostly stable due to...

Travel back to 1621 and learn the story of the First Thanksgiving! After a hard winter, the Pilgrims at Plymouth and the Wampanoag people came together to share a harvest feast. We’ll explore how the Pilgrims survived with the help of...

For centuries, humans have depended on, adapted to and modified the natural environment to survive and thrive. But the environment has also shaped the ways that we live.

Discover how a family in Culver City built an eco-friendly home with ample outdoor spaces for their children, focusing on sustainability and minimal water usage. Learn about the bioclimatic design, solar panels, and the innovative...

A “tipping point” is when a system, with just a small amount of additional energy, is pushed from one stable state to another suddenly and dramatically. This can be a chair falling backwards. Or it can be a major earth system collapsing....