Nitrogen dioxide air pollution lessens in parts of US and Europe, increases in Middle East and parts of Asia

Pompeii-style volcanic ash fall preserved ‘nursery’ of earliest animals

Posted: 09 Jul 2012 02:26 PM PDT

A volcanic eruption around 579 million years ago buried a ‘nursery’ of the earliest-known animals under a Pompeii-like deluge of ash, preserving them as fossils in rocks in Newfoundland, new research suggests.

Winds played important role in keeping oil away from South Florida

Posted: 09 Jul 2012 10:35 AM PDT

Winds played an important role in keeping oil from the Gulf oil spill away from South Florida.

Nitrogen dioxide air pollution lessens in parts of US and Europe, increases in Middle East and parts of Asia

Posted: 09 Jul 2012 06:30 AM PDT

Satellite measurements show that nitrogen dioxide in the lower atmosphere over parts of Europe and the US has fallen over the past decade. More than 15 years of atmospheric observations have revealed trends in air quality. As the world’s population increases, economies in many countries are also growing and populations are concentrating in large cities. With the use of fossil fuels still on the rise, pollution in large cities is also increasing.
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