| UPDATED: 13:13, Fri, Dec 18, 2020
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When the German volcano last erupted 12,900 years ago, the blast spewed a plume of ash and gasses up to 21 miles (35km) high. The initial eruption would have levelled trees up to 2.5 miles away, followed by weeks or months of activity that covered the surrounding valleys with ash and fallout. Geologists estimate plant life and animals up to 37 miles from the blast were exterminated - a result of the eruption reaching a Volcanic Explosivity Index (VEI) of 6.
Revamping Federal Climate Science
December 15, 2020, 5:00 am Getty/Liu Shiping/Xinhua
Sam Hananel
Ari Drennen
Introduction and summary
The United States has been the global leader in climate science for decades. Unfortunately, progress has slowed and in some cases, even moved backward over the past four years, with the Trump administration dismantling core elements of the federal climate science apparatus. As the country and the planet head toward an increasingly unstable climate, the U.S. government needs to get back to the business of being the preeminent source of trusted applied science that supports climate change mitigation and adaptation decision-making of governments and civilian stakeholders.
| UPDATED: 15:18, Tue, Dec 15, 2020
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Yellowstone volcano is no stranger to earthquake swarms, with roughly 50 percent of seismicity in the region attributed to earthquake clusters. But a recently-tracked swarm of tremors has hit the US national park deep under Yellowstone Lake - a 110 square mile body of water that is cut in half by the Yellowstone Caldera boundary. The boundary is a fault line of the present-day caldera that formed about 631,000 years ago after Yellowstone s most recent explosive event.
Environmental Impacts Of The COVID-19 Pandemic, As Observed From Space Press Release - Source: NASA
Maps of water turbidity compiled using data from NASA’s Landsat 8 satellite before and during the lockdowns in New York show decreased turbidity near western Manhattan (indicated by a red star). Colors represent different levels of total material suspended in the water. Credits: NASA/Nima Pahlevan
COVID-19 has changed the way we live and work, as various health and safety restrictions keep more of us at home more often.
The resulting changes to our behavior are already impacting the environment around us in myriad ways, according to comparisons of remote sensing data before and during the pandemic collected by NASA, U.S. Geological Survey (USGS), and ESA (European Space Agency) Earth-observing satellites and others.