Natural Resources and Waste Management to June 2012
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It sounds like an incredibly smelly--and disgusting--proposition, but some researchers think that a mix of cheese whey (a cheese-making byproduct) and liquid cow manure may come together to make a high-quality biogas. Cheese whey isn’t a problem for most dairy farms, but for the 100 or so in the U.S. that produce massive amounts of cheese and millions of pounds of whey each year, it starts to add up. The stuff isn’t usable in anaerobic digesters (which are commonly used to turn farm waste into biogas) because it acidifies quickly, and while many farmers put it on their fields for fertilizer, there is still often leftover whey.
Use it while you have it: Water scarcity is an issue on the horizon - The Parthenon - Marshall UniversityBy nearly every standard of living, Americans have it better than any generation that has come before us.
We might not be aware of how much water we use every day.
4 April 2012 Last updated at 07:50 ET By Vanessa Barford & Lauren Everitt BBC News Magazine
from Sunday Herald, 18 March 2012 Alex Salmond’s plan to sell water to England has run into a barrage of criticism from experts, who warn that it would be impractical, polluting and horrendously expensive. They point out that other solutions to the droughts increasingly afflicting the southeast of England would be much cheaper and easier.
21 March 2012 Last updated at 01:11 GMT By Richard Black Environment correspondent Illegal logging has been blamed for a number of flooding incidents, notably in the Philippines
Home » The Race for What’s Left: The Global Scramble for the World’s Last Resources. By Michael T.
13 March 2012 Last updated at 13:40 ET President Obama: "If China would simply let the market work on its own, we would have no objections''