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The measurement of change in the ozone layer is today operationally possible at a high temporal and spatial resolution in near real-time allowing ongoing updates of the effects of pollution.

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Monitoring air quality takes next step

28 March 2014

With air pollution linked to millions of deaths around the world, it has never been more important to monitor the air we breathe. Today marks a significant step forward as a deal is secured to build a crucial space sensor for tracking the world's air quality.

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Is the ozone layer on the road to recovery?

11 February 2013

Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth’s ozone has been strengthening following international agreements to protect this vital layer of the atmosphere.

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Earth at your fingertips

12 December 2012

The wonders and glory of our planet are just a few clicks away. Download ESA's first iBook and start discovering Earth from a new perspective.

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GOCE's second mission improving gravity map

16 November 2012

ESA's GOCE gravity satellite has already delivered the most accurate gravity map of Earth, but its orbit is now being lowered in order to obtain even better results.

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ESA Euronews: Measuring Earth's vital magnetic field

26 October 2012

Earth's magnetosphere is an invisible shield, protecting our planet from harmful solar radiation. Many living organisms - from bacteria to insects or birds - seem to rely on Earth's magnetic field to navigate.

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Earth's magnetosphere behaves like a sieve

24 October 2012

ESA's quartet of satellites studying Earth's magnetosphere, Cluster, has discovered that our protective magnetic bubble lets the solar wind in under a wider range of conditions than previously believed.

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Europe clears the air

09 July 2012

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.

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'Star Wars' laser offers new insight into Earth's atmosphere

05 December 2011

With the need to understand global change one of today's most pressing scientific challenges, ESA is exploring novel techniques for future space missions. Firing laser pulses between satellites is promising a step up in tracking greenhouse gases...

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Clear forecast for weather-monitoring mission

08 November 2011

International partners are looking ahead to Europe's second polar-orbiting mission dedicated to operational meteorology - MetOp-B is set for launch next May...

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Record loss of ozone over Arctic

04 April 2011

ESA's Envisat satellite has measured record low levels of ozone over the Euro-Atlantic sector of the northern hemisphere during March...