Category Archives: Environment

Antarctica Warms

New research shows that both Antarctica and the Arctic are getting less icy – and the best explanation is mankind’s emissions of greenhouse gases. But will that convert anyone who doubts that global warming is caused by human activities, led … Continue reading

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Layers of Earth’s Atmosphere

The temperature of the Earth’s atmosphere varies with altitude; the mathematical relationship between temperature and altitude varies among five different atmospheric layers (ordered highest to lowest, the ionosphere is part of the thermosphere): Exosphere: from 500 – 1000 km (300 … Continue reading

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Greenhouse gas 4 times higher than thought

Levels of a powerful greenhouse gas are four times as high as previously thought, according to new measurements released on Thursday. New analytical techniques show that about 5,400 metric tons of nitrogen trifluoride are in the atmosphere, with amounts increasing … Continue reading

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Indonesia’s tin islands: blessed or cursed?

Tin mining on these sleepy islands off Sumatra has brought wealth, but at a price; it is literally eating away at the land. The scale of the environmental damage on the Bangka-Belitung islands can be most clearly seen from the … Continue reading

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