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       Records: 1 - 25  Next >>  Page   of 2  
 
9/1/2014
In 1991, Mount Pinatubo in the Philippines erupted in one of the largest volcanic blasts of the 20th century. It spat up to 20 million tons of sulfur into the upper atmosphere, shielding the earth from the sun’s rays and causing global ...   
20/10/2013
Two years ago this month, in a disused UK airfield, scientists were preparing to undertake one of the more controversial experiments in history. A dirigible balloon would spray 120litres of water droplets into the sky, a miniaturized test for a ...   
14/6/2013
If Bill Gates was so inclined, he could reduce the world’s temperature by one degree. All it would takes is a fleet of high altitude planes, releasing millions of tonnes of sulphur dioxide into the stratosphere, deflecting the sun’s rays ...   
14/5/2013
People voiced concerns that this type of approach fails to address the basic problem of increasing greenhouse gas emissions. They are also nervous about any unintended consequences of such an action. But most significantly, they say that ...   
31/3/2013
Controversial geoengineering projects that may be used to cool the planet must be approved by world governments to reduce the danger of catastrophic accidents, British scientists said. Met Office researchers have called for global ...   
23/10/2012
Harvard's David Keith calls it the "goofy Goldfinger scenario' -- a rogue nation, or even an individual, would conduct an unsupervised geoengineering experiment -- and he confidently predicted in a story I wrote last month that it would never ...   
24/8/2012
Few issues arouse as much controversy in environmental circles these days as geoengineering - "technical fixes" to tackle climate change, by sucking carbon dioxide from the air or by reducing the amount of sunlight hitting the Earth. And ...   
16/8/2012
What if someone wanted to deploy a massive project to try to reverse climate change today? Perhaps some researchers wanted to spray sulfur particles into the stratosphere to reflect away some of the sun's energy, cooling the Earth in an attempt ...   
18/7/2012
Two Harvard engineers are planning to spray thousands of tonnes of sun-reflecting chemical particles into the atmosphere to artificially cool the planet, using a balloon flying 80,000 feet over Fort Sumner, New Mexico. The field ...   
22/5/2012
THE balloon will not go up. A controversial geoengineering field test has been cancelled after the lead scientist learned of a patent on the technology held by several of his collaborators. The Stratospheric Particle Injection for ...   
20/5/2012
FOR the past few years, a European collaboration called IMPLICC (Implications and Risks of Novel Options to Limit Climate Change) has been looking at what it might mean to engineer the climate, by reducing the amount of sunshine that reaches the ...   
16/5/2012
A controversial geoengineering experiment to simulate the cooling effect of volcanoes has been cancelled due to concern over a perceived conflict of interest with some of the researchers. The experiment would have injected 150 litres of ...   
16/5/2012
British scientists have abandoned an experiment to test the possibility of spraying particles into the upper atmosphere to stem global warming, largely due to concerns over a patent for some of the technology, the project's leader ...   
16/5/2012
A pioneering UK project to test technology for a climate "tech fix" has been postponed for at least a year. The Stratospheric Particle Injection for Climate Engineering (Spice) project would have pumped water droplets into the atmosphere ...   
16/5/2012
A U.K. project that is examining the feasibility of geoengineering the Earth's climate to reduce global warming will no longer involve an outdoor experiment that was scheduled to take place later this year. The Stratospheric Particle Injection ...   
7/5/2012
Late in the afternoon on April 2, 1991, Mt. Pinatubo, a volcano on the Philippine island of Luzon, began to rumble with a series of the powerful steam explosions that typically precede an eruption. Pinatubo had been dormant for more than four ...   
1/12/2011
More research on the risks and governance of geoengineering the planet's climate by reflecting sunlight into space is needed, a grouping of science bodies and a green NGO have said, as the end of the first week of UN climate talks ...   
17/11/2011
Governance of the UK's first geoengineering project, which aims to inject particles into the stratosphere to cool the planet, is in need of improvement and researchers should have done more to explain its aims to NGOs and the public, say ...   
18/10/2011
Editor`s Note: I`m totally in the same boat as Pat Mooney on this topic. We have the solutions we need today to solve global warming (without geoengineering). While some geoengineering solutions (i.e. painting roofs white) are great, I wouldn`t ...   
30/9/2011
A pioneering test of a climate "tech fix" planned for October faces a six-month delay as scientists discuss the issues it raises with their critics. The test is part of the UK-based Stratospheric Particle Injection for Climate ...   
14/9/2011
Next month, researchers in the U.K. will start to pump water nearly a kilometer up into the atmosphere, by way of a suspended hose. The experiment is the first major test of a piping system that could one day spew sulfate particles into ...   
14/9/2011
Scientists will attempt to pump water up a hose suspended one kilometre off the ground beneath a helium-filled balloon. The test will provide valuable data that could pave the way to a giant geoengineering project in decades to ...   
14/9/2011
This Wednesday, scientists will publish details of a long-proposed but controversial experiment on the feasibility of geoengineering the planet's climate. One of the proposed techniques involves releasing into the atmosphere small ...   
14/9/2011
A disused airfield in Norfolk will become the focus of a controversial scientific experiment to see whether it is feasible to engineer the climate by cooling the planet with a simulated volcanic eruption. Scientists and engineers plan to ...   
9/9/2011
FIELD trials for experiments to engineer the climate have begun. Next month a team of UK researchers will hoist one end of a 1-kilometre-long hose aloft using a balloon, then attempt to pump water up it and spray it into the atmosphere (see ...   

  Records: 1 - 25  Next >>  Page   of 2