Water is the fundamental ingredient for life on Earth. Looking at our Earth from space, with its vast and deep ocean, it appears as though there is an abundance of water for our use. However, only a small portion of Earth's water...

To investigate humans’ impact on freshwater resources, scientists have now conducted the first global accounting of fluctuating water levels in Earth’s lakes and reservoirs – including ones previously too small to measure from space....

Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different...

Our planet is a beautiful and awesome place. In a new video, join NASA scientists on a 40-minute visual tour of Earth from space, presented at the IMAX Theater at National Air and Space Museum in...

This video is a review of the topics covered in the Freshwater series. In this program, the physical and chemical properties of freshwater are investigated. The steps in the water cycle are studied, as are the major characteristics of...

A video entitled “Hydroelectric Dams” which investigates how hydroelectric dams affect the environment.

This video introduces viewers to the Freshwater series. In this program, the physical and chemical properties of freshwater are investigated. The steps in the water cycle are studied, as are the major characteristics of surface water...

This is a quiz over the topics covered in the Freshwater series. In this program, the physical and chemical properties of freshwater are investigated. The steps in the water cycle are studied, as are the major characteristics of surface...

The Amazon absorbs huge amount of CO2 and helps to cool the world, but recent studies have shown the rainforest is approaching a tipping point, with profound implications for the global climate and biodiversity. The section in Brazil,...

Scientists traveled to a town near the top of the world to study a creature at the bottom of the marine food chain--microscopic sea ice algae. Welcome to Barrow, Alaska, where a team of marine ecologists gears up to hit the sea...

Sheryl WuDunn's book "Half the Sky" investigates the oppression of women globally. Her stories shock. Only when women in developing countries have equal access to education and economic opportunity will we be using all our human resources.

Eukaryotes that are clearly not animals, plants, or fungi belong to a very diverse and fascinating group called protists. This series of videos uses captivating video footage to illustrate organisms from tiny microscopic creatures to...

Less than half of the rain that falls from a cloud makes it all the way to the ground – because a lot evaporates while falling or after landing in treetops.



Thanks to Georgia Southern University...

Professor Tim Flannery investigates how seaweed is helping to save the world. From growing the foods of the future, helping clean polluted water and even combating climate change. Is it possible to store carbon in seaweed out in the deep...

Rhode Island EPSCoR studies reveal key details about the life cycle of macroalgal blooms that impact ecosystems, economies



Description: When the water along Rhode Island's Narragansett Bay is thick and green, it...

Dr. Forrester classifies the parts of our solar system by examining such components as planets, moon, Sun, Milky Way, comets, asteroids, and meteors. She explains lunar phases, lunar eclipses, and solar eclipses. Dr. Forrester...

Let's face it: Humans are pretty messy. Industrial processes like mining and manufacturing are important parts of keeping civilization going, but they all impact the environment. Sometimes that impact is particularly big and messy,...

Less than half of the rain that falls from a cloud makes it all the way to the ground – because a lot evaporates while falling or after landing in treetops. Thanks to Georgia Southern University for sponsoring this video. Thanks also to...

NASA scientists used almost 30 years of data from the NASA/U.S. Geological Survey Landsat satellites to track changes in vegetation in Alaska and Canada. Of the more than 4 million square miles, 30 percent had increases in...