Showing results for: Earth & Environment

In summer and fall, tropical bodies of water have been warmed by the sun and store fantastic amounts of energy as heat. Tropical cyclones use that energy as their driving power... but what starts the engine?

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The Earth's magnetic field is just like a bar magnet, which explains its effect on other planets.

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What is sustainable seafood? With an industry as huge as seafood, what can you do as an individual to make sure your favourite fish dish will be around for the next generation to enjoy?

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The reason you can’t go up in a hot air balloon and watch the entire world spin beneath you is because the Earth’s atmosphere turns with it in rotation. For that we have gravity and a physics effect called "drag" to thank.

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Over time, there has been a net depletion of ozone in the atmosphere. As a result, there is a higher risk of exposure to harmful UV radiation from the sun. Only a big international ban on CFCs prevented further destruction of ozone.

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More than 884 million people around the world don’t have regular access to clean drinking water. And when natural disasters, like floods, earthquakes or tsunamis, strike, thousands more people can’t get clean,safe water.

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If you turn off all the lights in your house late at night, you can probably still find your way by the dim glow of your electronics. Even if you turn your electronics “off”, are they really off?

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During a lightning strike, the air surrounding the bolt of lightning is heated to about 39,000 °C! This sudden increase in pressure and temperature caused by the lightning causes the air immediately around the lightning to “explode” all along its length.

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When an oil spill occurs in the ocean, like the catastrophe in the Gulf of Mexico, what do scientists do to clean up the toxic mess?

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Home vermicomposting can help us divert kitchen waste from the garbage dump by turning it into compost for our gardens.

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