Related topics: global warming

What are the 'nacreous clouds' lighting up the winter skies?

People in the polar regions of the world, such as Scandinavia and Canada, sometimes get to watch majestic, rainbow-coloured clouds drift across an otherwise grey winter sky. Over the past few days, observers from across the ...

Without the Montreal Protocol, more intense tropical cyclones

If the Montreal Protocol had been rejected and the risks of ozone depleting substances had been ignored by the world, we would be facing even more intense tropical cyclones in the near future, according to a new study in ...

Volcanic eruptions slow down climate change - temporarily

Although global concentration of greenhouse gases in the atmosphere has continuously increased over the past decade, the mean global surface temperature has not followed the same path. A team of international reseachers, ...

The rise and fall of giant balloons on the edge of space

The giant balloon brought down on a cattle station in remote south-west Queensland in April was part of a NASA mission to test the feasibility of using specialised balloons flown in the stratosphere for scientific research.

SOFIA airborne observatory begins 2015 science campaign

The Stratospheric Observatory for Infrared Astronomy, or SOFIA, Program began its third season of science flights on Jan. 13, 2015. SOFIA is NASA's next generation flying observatory and is fitted with a 2.5-meter (100-inch) ...

Scientists say the ozone layer is recovering

Earth's protective ozone layer is beginning to recover, largely because of the phase-out since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel reported Wednesday in a rare piece ...

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