Using the Earth's Resources: Potable Water in...

This episode details the key ingredients in fertilisers: nitrogen, phosphorus, and potassium. It outlines the chemical production of nitrogen-based fertilisers, specifically ammonium nitrate, highlighting its rich nitrogen content due to its dual sources. We explain that phosphat ...  Show more

In this episode, we look at plants and nitrogen.Plants require nitrogen to produce proteins necessary for growth. While the atmosphere is full of nitrogen gas, plants cannot directly utilise this form. Instead, they absorb soluble nitrates from the soil. Crop harvesting depletes ...  Show more

Julio De La Rosa is the Business Development Director of Acciona, a multinational conglomerate who builds sustainable infrastructure solutions and water desalination plants. Desalination is a process that takes away salts and minerals from saline water. With a growing population ...  Show more

In today’s episode we look at some ingenious solutions to water related problems. We start our aquatic journey by going on a tour of one of Victorian England’s most important feats of engineering. We discover a cheap and easy way to test for water quality, and learn about one of ...  Show more

Why would people want to remove salt from water? To solve the world's water problem, that's why. Learn all about the efforts to desalinate H2O in cheaper and more efficient ways.

We drink millions of bottles of water every year. However, in some countries, including mine the UK, our tap water is perfectly safe! We don’t really need to buy bottled water! There are environmental, financial, and health costs connected to bottled water. Should bottled water b ...  Show more