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Wednesday, September 30, 2009

Hot Air_Credibility By the Numbers

Lisa K. Williams editor of Envronmental Protection Webzine picked up a few "Without Hot Air" crackers in her article: "Credibility By the Numbers", which I am sure will help Prof David MacKAY to continue feeding anecdotes for the Environmental and Renewable energy themes themes of his freely available book of the same name, "Without Hot Air." David of course brings great credibility to his approach, numbers and graphs.

Background
"Many news outlets on Aug. 5 picked up the Department of Energy (DOE) release noting that the third analysis of the American Clean Energy and Security Act of 2009 agreed that the costs to consumers will be low—about 23 cents a day. The statement said: "The EIA analysis projects an increased cost of about $83 (adjusted for inflation) by 2030 — or roughly 23 cents a day." (Is that $83 more dollars or roughly 23 cents a day on top of what I pay now?)

Lisa took a closer look at the figures, hiden in page42. and and what about the admin jargon? Again!

"Consumption losses? Oh, that means consumer spending, Jonatan Cogan the DOE spoesman explained.

Continuing her search for the truth:

"Alan Beamon, director of the Office of Integrated Analysis and Forecasting's Coal and Electric Power Division. This is the office that developed the report. I asked Beamon about the 23 cents. Here's his response: "The quote you cite … did not come from EIA and is not in our report.

That old adage "Lies, damned lies and statistics". Serious mathematians and statistitians must turn in their grave.


More ... read Lisa's full article

Reference:
David Mackay's Book, Without Hot Air

Tuesday, September 29, 2009

Is trash the solution to tackling climate change? or Where there's muck there's money?


"Where there's muck there's money" is an old adage in the UK.

Could the following report "Could trash be solution to tackling climate change?" be another twist to the the money game?

Quote:
"SINGAPORE -- September 2009 -- Converting the trash that fills the world's landfills into biofuel may be the answer to both the growing energy crisis and to tackling carbon emissions, claim scientists in Singapore and Switzerland. New research published in Global Change Biology: Bioenergy, reveals how replacing gasoline with biofuel from processed waste could cut global carbon emissions by 80%."

The team used the United Nation's Human Development Index to estimate the generation of waste in 173 countries. This data was then coupled to the Earthtrends database to estimate the amount of gasoline consumed in those same countries.

The team found that 82.93 billion litres of cellulosic ethanol could be produced from the world's landfill waste and that by substituting gasoline with the resulting biofuel, global carbon emissions could be cut by figures ranging from 29.2% to 86.1% for every unit of energy produced.

"If this technology continues to improve and mature these numbers are certain to increase," concluded co-author Dr. Lian Pin Koh from ETH Zürich. "This could make cellulosic ethanol an important component of our renewable energy future."


COMMENT STARTER:

How can burning gas for transportation reduce CO2 emissions substantially?
Lets get down to some of our own calculations.
Remember only every Big counts says Prof.David Mackay in Without Hot Air> not every little bit! (30 to 80% reductions) Is it 30% or is it 80% reduction.

Then waste must be disposed of in a healthy manner, and energy must be captured. Current manovers in such energy, water and waste management (EDF and Veolia here in France) may give a hint to likely directions in environmental interests, to the tune of 4_5 Million Euros in only one PDG's salary, that's strategic thinking. Will the planet and her citizens be better-off or "Debter-off?

More in (and from)
1. ScienceBlog

2. PHYSORG
September 29th, 2009

"Converting the trash that fills the world's landfills into biofuel may be the answer to both the growing energy crisis and to tackling carbon emissions, claim scientists in Singapore and Switzerland. New research published in Global Change Biology: Bioenergy, reveals how replacing gasoline with biofuel from processed waste could cut global carbon emissions by 80%."


3. Biofuels from urban waste

4.
World of Renewables

Saturday, September 12, 2009

My Twitter Presence and How to Create your own twitter logo.

After a fairly long trial period, readers will be able to follow all my blog posts with more leads via twitter hence the inclusion and addition of Twitter to my social network and "neighbourhood".

More of my bookmarks may be found on Del.ici.ous. I shall maintain Delicious bookmark as far as possible...time willing.

Create your own twitter logo