Citizen Science A newly discovered atmospheric optical phenomenon called... Steve 27 April 2017 Aurora watchers in Alberta, Canada noticed the ribbon or streak of purple light in the night sky but nobody knew exactly what it was. Climate Record number of states expected to sign Paris climate deal 22 April 2016 Climate Largest ever spike in CO2 emissions 16 March 2016 Atmospheric carbon dioxide concentrations grew at their fastest level in 2015, increasing by 3.05 parts per million (ppm) compared with the previous year. Weather Nacreous clouds 03 February 2016 Several rare sightings of nacreous clouds have been reported over the last few days, delighting cloudspotters, with photographs of the clouds coming from England and Scotland. Climate Air quality and sources of air pollution 15 June 2015 Air quality is a measure of how clean or dirty the air is, and air pollution is air contamination by harmful substances In the Spotlight First Global Rainfall and Snowfall Map from NASA's Global Precipitation Measurement Mission 03 May 2015 NASA's Global Precipitation Measurement mission has produced its first global map of rainfall and snowfall. Weather Precipitation Production Pathways 19 February 2015 Although not always a ‘welcome friend,’ precipitation is essential to the life on Earth and the latent heat released from its formation provides much of the energy that drives atmospheric circulation. Weather What is humidity and how is it measured? 14 August 2013 Damp or dry? Measuring humidity Weather The Big Freeze of 1963: One of the coldest winters on record 25 January 2013 One of the coldest winters on record
Citizen Science A newly discovered atmospheric optical phenomenon called... Steve 27 April 2017 Aurora watchers in Alberta, Canada noticed the ribbon or streak of purple light in the night sky but nobody knew exactly what it was.
Climate Largest ever spike in CO2 emissions 16 March 2016 Atmospheric carbon dioxide concentrations grew at their fastest level in 2015, increasing by 3.05 parts per million (ppm) compared with the previous year.
Weather Nacreous clouds 03 February 2016 Several rare sightings of nacreous clouds have been reported over the last few days, delighting cloudspotters, with photographs of the clouds coming from England and Scotland.
Climate Air quality and sources of air pollution 15 June 2015 Air quality is a measure of how clean or dirty the air is, and air pollution is air contamination by harmful substances
In the Spotlight First Global Rainfall and Snowfall Map from NASA's Global Precipitation Measurement Mission 03 May 2015 NASA's Global Precipitation Measurement mission has produced its first global map of rainfall and snowfall.
Weather Precipitation Production Pathways 19 February 2015 Although not always a ‘welcome friend,’ precipitation is essential to the life on Earth and the latent heat released from its formation provides much of the energy that drives atmospheric circulation.
Weather The Big Freeze of 1963: One of the coldest winters on record 25 January 2013 One of the coldest winters on record