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Posted: Thursday, May 6, 2021 13:29 You may not know it, but the GPS system in your car, and the apps in your phone depend on the magnetic field of the Earth. But what happens if that field moves?  As aviation and marine and all navigation systems also depend on it, potentially there could be trouble. Well the field is on the move, and a new study suggests human activity is likely behind it. In our terms, i.e. the average citizen, that movement is not really noticeable at all, but for navigation it is very important, and in scientific terms, it’s huge.

Climate Explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Centre to answer your questions about climate change. If you have a question you’d like an expert to answer, please send it to climate.change@stuff.co.nz I’ve heard the gravity changes when Antarctica melts will lower the seas around New Zealand. Will that save us from sea level rise? The gravitational changes when Antarctica melts do indeed affect sea levels all over the world — but not enough to save New Zealand from rising seas. The ice ages and their effects on sea level, geology, ...

reconstructed from sub-ice shelf and offshore sediments J.A. Smith; C.-D. Hillenbrand; C. Subt; B.E. Rosenheim; T. Frederichs ... Abstract: Because ice shelves respond to climatic forcing over a range of time scales, from years to millennia, an understanding of their long-term history is critically needed for predicting their future evolution. We present the first detailed reconstruction of the Larsen C Ice Shelf (LCIS), eastern Antarctic Peninsula (AP), based on data from sediment cores recovered from below and in front of the ice shelf. Sedimentologic and chronologic information reveals tha...

How Yemen's solar power revolution could drain the whole country of water dw.com 9 hrs ago Cathrin Schaer During the war, Yemenis have turned to solar power for homes and hospitals as well as water pumps. But new research says that too much water is being pumped and the whole country is at risk. © Essa Ahmed/AFP/Getty Images Yemen is already one of the most water-poor countries in the world Not much good news has come out of Yemen since the country's civil war began in late 2014. But one thing generally seen as positive has been the country's overwhelming adoption of sola...

How Yemen's solar power revolution could drain the whole country of water During the war, Yemenis have turned to solar power for homes and hospitals as well as water pumps. But new research says that too much water is being pumped and the whole country is at risk. Yemen is already one of the most water-poor countries in the world Not much good news has come out of Yemen since the country's civil war began in late 2014. But one thing generally seen as positive has been the country's overwhelming adoption of solar power. A paper by the Berlin-based Energy Access and Development Program (EADP) ...