Air pollution climbing back to pre-pandemic levels

June 5, 2020 by  
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Last month, news media around the world heralded cleaner skies as a byproduct of the pandemic-induced quarantines. Alas, as lockdowns are lifted, air pollution is climbing back to pre-COVID levels in  China . Several European countries may soon follow suit. Concentrations of fine particles and nitrogen dioxide (NO2) are back to where they were a year ago, according to data from the Centre for Research on Energy and Clean Air (Crea). In early March, when China was suffering the worst of the  pandemic , the particle count was down by 34%, while nitrogen dioxide levels had fallen by 38%. Related: Air pollution could make COVID-19 more dangerous “The rapid rebound in air pollution and coal consumption levels across China is an early warning of what a smokestack industry-led rebound could look like,” said Lauri Myllyvirta, Crea’s lead analyst, in an article from  The Guardian . “Highly polluting industries have been faster to recover from the crisis than the rest of the economy. It is essential for policymakers to prioritise clean energy.” Wuhan, the pandemic’s ground zero, is still experiencing lower than usual nitrogen dioxide levels — 14% lower than last year. However, Shanghai’s NO2 level has soared to 9% higher than in 2019. Wood Mackenzie, an energy consultancy group, expects that the second quarter of 2020 will see China’s  oil  demand recover nearly to its normal level. European cities are still enjoying significant dips in air  pollution . The Copernicus Atmosphere Monitoring Service (Cams) shows that 42 of the 50 European cities it tracks had below-average NO2 levels in March. This pollutant, which is largely produced by diesel vehicles, dropped by 30% in Paris and London during the pandemic. How fast and how much European air pollution will rebound depends on the decisions of citizens, companies and government officials. “We do not know how people’s behaviour will change, for example avoiding public transport and therefore relying more on their own cars, or continuing to work from home,” Vincent-Henri Peuch, the director of Cams, told  The Guardian . Environmentalists hope that people will choose to  walk  and cycle more and drive their cars less. + The Guardian Images via Pexels

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Air pollution climbing back to pre-pandemic levels

Blast from a VERGE past: An astronaut’s sustainability lessons

September 19, 2016 by  
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NASA’s pioneering space effort is working with the private sector to develop sustainable technologies that enable long-distance space travelers to make what they need — from food and water to building supplies — from locally acquired raw materials. On the mainstage at VERGE 2015, NASA astronaut Cady Coleman and Jason Crusan of NASA’s Advanced Exploration Systems (AES) Division spoke about the sustainability lessons learned from NASA’s tests on the International Space Station.

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Blast from a VERGE past: An astronaut’s sustainability lessons

Mars Curiosity rover bolsters case for life on Mars with evidence of ancient lake

December 10, 2014 by  
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NASA’s Mars Curiosity rover has turned up a curious find on the surface of Earth’s closest neighbor – evidence shows that a 96-mile-wide crater on the Red Planet may have been filled with water billions of years ago. The Guardian reports that the new findings are the result of more than two years worth of data collection by the rover, which landed inside the Gale Crater in August, 2012. The new findings provide further evidence that Mars may have once been a planet much like Earth that supported microbial life, according to scientists. Read the rest of Mars Curiosity rover bolsters case for life on Mars with evidence of ancient lake Permalink | Add to del.icio.us | digg Post tags: ancient , crater , Curiosity , exploration , gale , lake , mars , mount , Rover , sharp , space

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Mars Curiosity rover bolsters case for life on Mars with evidence of ancient lake

Sign This Petition to Help Stop Fracking in National Parks

October 30, 2014 by  
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Want to help protect your national parks from toxic fracking activities ? There’s an opportunity to do so right from your computer screen. Left Action aims to keep the oil and gas industry out of U.S. parks and public lands, and they need you to sign their latest petition . According to Left Action, “The oil and gas industry is already fracking in some national forests like the Allegheny National Forest in Pennsylvania. They are also fracking on lands adjacent to national parks like Sequoia and Kings Canyon National Parks in California.” Read the rest of Sign This Petition to Help Stop Fracking in National Parks Permalink | Add to del.icio.us | digg Post tags: Climate Change , Environment , exploration , fracking , gas , global warming , left action , oil , petition , petroleum

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Sign This Petition to Help Stop Fracking in National Parks

NASA’s Curiosity Rover Will Have a Brother on Mars by 2020

December 5, 2012 by  
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NASA has announced that it is building a successor to the Curiosity rover currently roaming Mars . Building on the success of the ongoing exploratory mission on the red planet, the space agency will essentially replicate the existing rover model’s architecture in order to drive down costs and risk. The new rover is expected to launch in 2020 and Curiosity may well be there to welcome it. Read the rest of NASA’s Curiosity Rover Will Have a Brother on Mars by 2020 Permalink | Add to del.icio.us | digg Post tags: 2020 , Curiosity , exploration , mars , nasa , Rover , science , space , Technology

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NASA’s Curiosity Rover Will Have a Brother on Mars by 2020

OpenROV Is World’s First Kit for Do-It-Yourself Ocean Exploration

July 11, 2012 by  
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Eric Stackpole wants every tech geek with a passion for ocean science to have inexpensive, open source hardware to conduct research. The solution that he and a team of fellow enthusiasts has developed is OpenROV—a kit of parts that easily assembles into an underwater robot. With a little help from startup funds on Kickstarter , we could soon see OpenROV scooting along, while submerged 20 meters below the surface, conducting experiments on ocean temperature flux while its creator mans the controls from a laptop above. Read the rest of OpenROV Is World’s First Kit for Do-It-Yourself Ocean Exploration Permalink | Add to del.icio.us | digg Post tags: exploration , kickstarter , makers , open source , OpenRov , science , underwater robot

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OpenROV Is World’s First Kit for Do-It-Yourself Ocean Exploration

Cave of Forgotten Dreams: Oldest Known Pictorial Creations

June 24, 2011 by  
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[ By Steph in Geography & Travel & History & Trivia & Science & Research .

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Cave of Forgotten Dreams: Oldest Known Pictorial Creations

Russia Restricts Oil Exploration To Protect Critically Endangered Grey Whales

May 31, 2011 by  
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photo: John Bruckman / Creative Commons A hopeful update to a story TreeHugger has written about for nearly a year: Critically endangered Western grey whales , threatened by oil exploration near Sakhalin Island , have been granted a reprieve of sorts. Under new regulations enacted by the Russian government explo… Read the full story on TreeHugger

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Russia Restricts Oil Exploration To Protect Critically Endangered Grey Whales

Designers Repurpose Toyota Prius Technology In "Ideas for Good" Competition (Video)

May 31, 2011 by  
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Image via YouTube video Earlier in the month, we pointed out the innovative ideas coming out of the Toyota Ideas for Good competition, including hacking a Prius into an energy-generating roller coaster car . Well, the winners for the competition have been announced and the creative ideas that repurpose Toyota technology are truly impressive.

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Designers Repurpose Toyota Prius Technology In "Ideas for Good" Competition (Video)

Critically Endangered Whales Stop Feeding Thanks To Russian Oil & Gas Exploration

September 7, 2010 by  
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Photos via ICUN The issue of how marine noise impacts whales is a subject of intense study.

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Critically Endangered Whales Stop Feeding Thanks To Russian Oil & Gas Exploration

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