Observing the Birkeland currents borne of the solar wind

  When the supersonic solar wind hits the Earth’s magnetic field, a powerful electrical connection occurs with Earth’s field, generating millions of amperes of current that drive the dazzling auroras. These so-called Birkeland currents connect the ionosphere to the magnetosphere and channel solar wind energy to Earth’s uppermost atmosphere. Solar storms release torrential blasts of solar…

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Claim: Due to landscape fragmentation, Brazil's rainforests are releasing more carbon dioxide than previously thought

Effect has so far been missing in reports of the Intergovernmental Panel on Climate Change (IPCC) Because of the deforestation of tropical rainforests in Brazil, significantly more carbon has been lost than was previously assumed. As scientists of the Hemholtz Centre for Environmental Research (UFZ) write in the scientific journal Nature Communications, the effect of…

Australia's History of Hot Tempers

Guest essay by Robert Balic: You might have noticed the Hand Print of Climate Change in Australia here or come across this graphic of the number of stations recording 45°C or more in January of 2013. http://en.wikipedia.org/wiki/Angry_Summer It is presented as if most of these stations had never recorded such a high temperature before which…