Planet Big Xero

THEST

Play with some interactive graphs!

It's no surprise that burning gasoline and coal creates reaction products that are harmful to humans and the environment. Let's explore why they're bad for your health, and how they are spread across Europe!

  • NO2: Whether nitrogen dioxide is rained down as nit...

How are global weather patterns and ocean circulation patterns formed?

What causes hurricanes, ocean currents and other "big weather" events? These are big picture questions that require you to zoom out and look at the Earth as a planet. The equator receives an above-average amount of incoming sol...

What are deltas and estuaries? How does their use affect their future?

During the last glacial maximum, a larger fraction of the planet’s water was tied up in surface ice. Correspondingly, the fraction of water in the oceans was less, meaning that the sea level was much lower during that time. Riv...

How do soils develop? Why are they disappearing? What does this mean for agriculture?

Soils do not just appear out of thin air. They were once large bodies of rock, formed under heat and pressure in the lithosphere. As uplift brought them towards the surface, the stable environment they once knew...