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22 березня 2017 Dead zones may threaten coral reefs worldwide

Dead zones affect dozens of coral reefs around the world and threaten hundreds more according to a new study by Smithsonian scientists published in Proceedings of the National Academy of Sciences. Watching a massive coral reef die-off on the Caribbean coast of Panama, they suspected it was caused by a dead zone — a low-oxygen…

22 березня 2017 Amazon River no younger than 9 million years, new study shows

Researchers from the University of Amsterdam (UvA) and the University of Brasilia (Brazil) have determined the age of the formation of the Amazon River at 9.4 to 9 million years ago (Ma) with data that convincingly refutes substantial younger estimates. Their results are published as early view in the journal Global and Planetary Change. The…

9 березня 2017 Solar power growth leaps by 50% worldwide thanks to US and China

UK leads Europe for solar growth despite drop in installations after government cut subsidies A worker maintains photo-voltaic panels at Xinyi station in Songxi, China. Photograph: Feature China/Barcroft Images The amount of solar power added worldwide soared by some 50% last year because of a sun rush in the US and China, new figures show….

9 березня 2017 Police to visit UK zoos and wildlife parks after rhino killing in France

Britain’s wildlife crime head says urgent security checks are needed to protect 111 rhinos in UK after attack near Paris Police are visiting every zoo and wildlife park in the UK that houses rhinos to offer security advice after poachers shot dead a white rhinoceros and sawed off its horn at a zoo in France….

9 березня 2017 The closure of the Climate Institute comes just as we’re building consensus on action

On 30 June, after almost 12 years – seven more than originally planned – the Climate Institute will close its doors. As its CEO for the last decade, this has given me pause to reflect on this rollercoaster ride through the bumpy minefield that is Australian climate and energy politics. Where have we been as…

1 березня 2017 Earth probably began with a solid shell

The outer layer of modern Earth is a collection of interlocking rigid plates, as seen in this illustration. These plates grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. But new research suggests that plate tectonics did not begin until much later in Earth’s history. Credit: USGS Today’s Earth…

1 березня 2017 Humans sparked 84 percent of US wildfires, increased fire season over two decades

Humans have dramatically increased the spatial and seasonal extent of wildfires across the U.S. in recent decades and ignited more than 840,000 blazes in the spring, fall and winter seasons over a 21-year period, according to new research. After analyzing two decades’ worth of U.S. government agency wildfire records spanning 1992-2012, the researchers found that…

15 лютого 2017 South Australian blackout blamed on thermal and wind generator failures, plus high demand

Australian Energy Market Operator report says demand was higher than forecast, wind generation lower and thermal generators unable to step in The Australian Energy Market Operator said load shedding became the only option available when it became clear a gas plant at Pelican Point was not available to respond to the surge in demand. Photograph:…

10 лютого 2017 Gas hydrate breakdown unlikely to cause massive greenhouse gas release

Gas hydrate (white, ice-like material) under authigenic carbonate rock that is encrusted with deep-sea chemosynthetic mussels and other organisms on the seafloor of the northern Gulf of Mexico at 966 m (~3170 ft) water depth. Although gas hydrate that forms on the seafloor is not an important component of the global gas hydrate inventory, deposits…

31 січня 2017 Unexpected result: Ocean acidification can also promote shell formation

Microscopic pictures of individual foraminifers. Left: A foraminifer with a shell containing four chambers of which one is empty. Also note the spines. Right: Picture of the interior of a foraminifer. The green colour is caused by seawater with an indicator showing that the acidity has changed. The actual size of the foraminifer is about…

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