In this video Paul Andersen explains how water quality can be degraded by pollutants. Wastewater is the main source of water pollution and can be measure using the BOD (biochemical oxygen demand). Dead zones, cultural eutrophication,...

Learn the basics about water pollution, whilst learning about environmental chemistry. The substances mankind throws away have polluted lakes, rivers and even the oceans. The United Nations estimate that around 10% of the world’s people...

Learn the basics about water pollution, whilst learning about environmental chemistry. The substances mankind throws away have polluted lakes, rivers and even the oceans. The United Nations estimate that around 10% of the world’s people...

University of South Florida engineering professor Norma Alcantar and her team are using the ""flesh"" from Prickly Pear cacti, called mucilage, to clean up oil and other toxins from water. With support from the National Science...

The video discusses the sources of water, including surface water and groundwater, and how they are distributed in different parts of the world. It also highlights the factors that influence water distribution and the importance of...

It explains the importance of soil to living beings. It talks about soil pollution, its causes, consequences and prevention.

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In Colorado, drilling for oil and natural gas using hydraulic fracturing, sometimes referred to as fracking, is big business. But questions about its impact on the air and water are far from settled. With support from the National...

Mining is the process of extracting valuable materials from the Earth's surface, such as metals, coal, and gemstones. It has been practiced since ancient times and has played a crucial role in the development of civilizations. However,...

Ditches and drain pipes help crops survive but can negatively impact the broader landscape.

Every hour, enough sunlight blasts the earth to power humanity for a year. Subscribe to The Guardian ►ttp://is.gd/subscribeguardian' target='_blank' rel='nofollow'>Guardian ► By 2050, across the entire world, solar energy could power...

A flash of lightning, and a rumble of thunder. But what exactly are these spectacular occurrences? In 1752, Benjamin Franklin discovered that lightning was caused by powerful electrical discharges in clouds. He wasn’t the first person to...

Learn the basics about the changes to our atmosphere, as a part of environmental chemistry.



The Earth’s early atmosphere had no oxygen. By examining rocks laid down over earth history we can piece together the...

While the weather in Iceland is often cold, wet, and windy, a nearly endless supply of heat bubbles away below the surface. In fact, almost every building in the country is heated by geothermal energy in a process with virtually no...

A better future can’t just be green, it must also be fair. Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos Lithium-ion batteries are a transformative...

Learn the basics about the changes to our atmosphere, as a part of environmental chemistry. The Earth’s early atmosphere had no oxygen. By examining rocks laid down over earth history we can piece together the story of our atmosphere, to...

Lightning | Electricity | Physics | FuseSchool A flash of lightning, and a rumble of thunder. But what exactly are these spectacular occurrences? In 1752, Benjamin Franklin discovered that lightning was caused by powerful electrical...

Caviar is one of the most expensive foods in the world. Selling for up to $35,000 per kilo, it's revered and relished by aristocrats across the globe. But it's an acquired taste. Turns out, caviar wasn't always so valuable. In the 19th...

What most Americans know as a “traditional” burial takes a big toll on our environment, so what should we do with our bodies when we die? Find out on this episode of One Small Step. » Subscribe to NowThis