Hot Topic
Global warming isn’t just a parlour discussion anymore; it’s here and happening right now, and it’s a serious threat to human health.
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Teach your kids about the sun's power
Youngsters generally love to be outside in the sun, but teaching them to be aware of its power can seem difficult because sunburn can seem like an abstract concept. |
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The danger spot of a cyclone
The right top quarter of a tropical cyclone is the most dangerous section of the storm. The wind is at its top speed there and it contains the most debris.
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Hotter world cooks up storms
Hurricanes like Katrina may be followed by even fiercer storms if we don’t put the brakes on human-induced global warming.
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Avoid being thunderstruck
About 200 South Africans get killed by lightning every year. Find out how to protect yourself.
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When lightning strikes a plane
What happens when a plane is struck by lightning, and how often does it happen? |
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Lightning precautions save lives
Those warm days on which thunder-and-lightning storms are likely to strike are also the days that send people in droves to some of the most dangerous places in a storm. |
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Your body needs the sun
To ancient sun-worshippers, the sudden disappearance of their god during daylight hours was a terrifying thing. But what would happen to your body if the sun stayed hidden? |
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Classroom air-con: yes or no?
In the summer, school classrooms can get sweltering. But is air conditioning the best solution? Air-con keeps temperatures down, but is associated with other health issues. |
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We need two planet earths
We will need two earths by 2050 if we continue with current rates of resource use, reports the World Wildlife Fund. |
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Don’t ignore ‘sun spots’
If you’ve noticed a small spot or rough patch on your skin that doesn’t seem to be going away, don’t just ignore it. It could be pre-cancerous. |
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Climate change, people, and viruses
What effect will climate change on the bugs and viruses that share the human ecosystem? |
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The Age of Stupid
We know how to save the planet, but we choose not to. How stupid is that? If there are future generations, is that what they'll call us?
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The Age of Change?
Last week I called everyone Stupid. Which was rude, but I was desperate to get people's attention. The Planet is calling. Are you planning to answer, or just hang up? |
