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22/3/2013
As the realities of global climate change become ever more alarming, advocates of technological approaches to "geoengineer" the planet's climate are gaining a following.
But the technologies that are promoted -- from spraying sulphate ...
2/1/2013
Biochar - charcoal produced from pyrolysis of biomass - has received tremendous attention and support in recent years, and championed as one of the potentially most useful techniques for soil restoration and carbon sequestration in the modern ...
11/8/2011
of Thin Air: The Quest to Capture Carbon Dioxide
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National Geographic Society P.O. Box 98199 Washington, DC 20090-8199 USA ...
11/8/2011
Imagine a toilet that takes human waste and converts it into minerals for fertiliser and clean water, while harvesting energy in the process.
The toilet doesn't use water, doesn't need expensive infrastructure of a sewerage system, ...
9/7/2011
Techno-fix ideas include artificial trees and firing silver iodide into clouds to produce rain.The alert on the Climate Ark website in January 2009 was marked urgent: "Take action: A rogue science ship is poised to carry out risky ...
18/3/2011
New Zealand study shows
biochar to decrease nitrous oxide emissions
Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are ...
18/3/2011
Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are responsible for an increase in nitrous oxide emissions from grazing animals' ...
28/2/2011
Think of it as a chemical vacuum cleaner for sucking greenhouse gases out of the air.
Air capture, in which carbon dioxide is removed from the atmosphere, has been touted as a potentially promising way to tackle climate change. That's ...
18/2/2011
IT'S maddening. We have brilliant renewable energy resources, brilliant innovators and a vast pool of superannuation savings looking for opportunities beyond our overvalued, over-analysed, ticket-clipped top 50 listed companies.
We also ...
17/1/2011
Sadly, as the threat of climate change worsens, U.S. lawmakers move further away from practical solutions.
Last week, NASA reported that 2010 was the second hottest year on record, capping the warmest decade in modern times. Climate ...
9/12/2010
It has an appealing symmetry to it: If we got ourselves into this climate mess by digging up and burning coal, maybe we can fix it by creating some more coal and putting it back into the ground.
That very idea, involving the ...
21/11/2010
Not long ago, it seemed that big money and boundless optimism were all that were needed to solve some of the biggest environmental problems facing the planet.
An initiative from Richard Branson, the shaggy-haired billionaire owner of ...
17/11/2010
Good news for everyone who loves a barbecue: soon you could be helping save the world as you flip your burgers.
A new generation of small, barbecue-style stoves could soon be making it possible to sequester carbon while you cook -- with ...
17/11/2010
Good news for everyone who loves a barbecue: soon you could be helping save the world as you flip your burgers.
A new generation of small, barbecue-style stoves could soon be making it possible to sequester carbon while you cook -- with ...
1/10/2010
What unites Malcolm Turnbull, Tim Flannery and James Lovelock? Enthusiasm for
biochar: one of the most intriguing solutions to global warming and a possible boon for investors.Biochar, the charcoal-like residue when biomass (such as ...
30/9/2010
Win-win solutions can be hard to come by. But if Cornell University soil scientist Johannes Lehmann is right, there may be a way to lower our emission of heat-trapping greenhouse gases, save millions of people's lives, and significantly boost the ...
16/8/2010
Biochar--the agricultural application of charcoal produced from burning biomass--may be one of this century's most important social and environmental revolutions. This seemingly humble practice--a
technology that goes back thousands of years--has ...
12/8/2010
The idea of burying charcoal produced from microwaved wood to tackle global warming is still beset with scientific uncertainties, says the UK government's first report on "biochar".
The warning comes as a separate US study published this ...
1/5/2010
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The Prime Minister is not going to risk a double dissolution on the great moral issue of our time
KEVIN Rudd ...
28/2/2010
Scientists in Eastern Washington are at the forefront of research into an ancient practice that shows promise as a clean fuel source, a way to improve soil condition and to capture carbon that otherwise would be released into the ...
10/2/2010
Here's a low-cost solution to global warming: chicken manure.At Josh Frye's poultry farm in West Virginia, the chicken waste is fed into a large, experimental incinerating machine. Out comes a charcoal-like substance known as "biochar" -- ...
14/1/2010
Scientists are reporting that "biochar" -- a material that the Amazonian Indians used to enhance soil fertility centuries ago -- has potential in the modern world to help slow global climate change. Mass production of
biochar could capture and ...
19/12/2009
The climate change summit proved to be a "spectacular failure even according to its own terms," but civil society had "some successes," such as the inclusion of certain issues on the climate agenda, and making the voice of the South heard loud ...
17/12/2009
When Victor Smetacek and his colleagues cruised to the Southern Ocean in January 2009, they hoped to launch straight into pouring ten tons of iron sulphate into the waters below. Instead they spent days on board cranking out a risk assessment of ...
20/10/2009
Forestry and agriculture are two sectors that must help lead an economic transformation toward climate sustainability beginning over the next five years. Renewable energy, carbon capture and storage and energy efficiency are the other key areas ...