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The World Meteorological Organisation (WMO) invites the submission of images for the next edition of the International Cloud Atlas (ICA).
Arctic sea ice cover dropped to 4.41 million square kilometres this summer, the 4th lowest Arctic sea ice extent recorded since satellite measurements began in 1979.
Updated: 29 Sep 2015
What is fog and what causes the different types of fog?
Sunsets and sunrises can be some of the most beautiful natural spectacles, but what makes the sky turn different colours during these times?
An Indian summer is a name often used to describe a warm, calm spell of weather that occurs in autumn.
The time of year that Keats called the 'Season of mists and mellow fruitfulness', Autumn is a season famous for its harvest times, turning leaves, cooling temperatures and darkening nights.
Updated: 1 Oct 2015
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