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Stovers,<br>
<br>
I looked at the report. 4 stoves<br>
1. Natural Draft<br>
2. Forced air<br>
3. Charcoal<br>
4. LPG<br>
<br>
What stoves do you think they were testing. Not what I thought.<br>
<br>
1. Natural Draft ---- An Envirofit Rocket stove<br>
2. Forced air ----- Biolite fan-assisted ROCKET stove<br>
3. Charcoal ------- Envirofit charcoal stove<br>
4. LPG ------ Envirofit LPG stove. Yes, Envriofit is
into the LPG stove business<br>
<br>
Great. It is good that they had improvements. <br>
<br>
But note that there were no TLUD stoves. <br>
<br>
So, once again major money for a research project without including
the woodgas stoves that are in the modern and advanced stove types<u>
as classified by the GACC and the World Bank ESMAP program</u>
(see my 4-page summary of "Classification of Stove Technology and
Fuels" at<br>
<a class="moz-txt-link-freetext" href="http://www.drtlud.com/2017/04/11/classification-stove-technologies-fuels/">http://www.drtlud.com/2017/04/11/classification-stove-technologies-fuels/</a>
<br>
<br>
Paul<br>
<pre class="moz-signature" cols="72">Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a>
Skype: paultlud Phone: +1-309-452-7072
Website: <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
<div class="moz-cite-prefix">On 5/13/2017 11:50 AM, Tom Miles wrote:<br>
</div>
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<div class="WordSection1">
<p>Here’s a report on an interesting study that Nikhil found on
the Environmental Research Web. The model projects a positive
health impact from a marginal intervention with improved
stoves, which is probably an accurate reflection of what
stovers see as a result of their efforts: better stoves
improve health. While Nikhil has bashed this modeling for its
precision, the trend would likely be the same for alternative
models. We can always find better metrics to support our work,
or to find fatal flaws, but let’s do it working together in
positive collaboration without the trash talk that we’ve been
hearing for several months. This forum is not a complaint desk
or a political blog. <o:p></o:p></p>
<p><a moz-do-not-send="true"
href="http://environmentalresearchweb.org/cws/article/news/68742">http://environmentalresearchweb.org/cws/article/news/68742</a>
<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">May
11, 2017<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
style="font-size:24.0pt">Cleaner cookstoves might benefit
Mozambicans <o:p></o:p></span></b></p>
<p>By John Cartwright<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
moz-do-not-send="true"
href="http://iopscience.iop.org/article/10.1088/1748-9326/aa5557">Cleaner
cookstoves could improve air quality and health, and reduce
temperature rise from climate change in Mozambique</a>,
according to a study by researchers in the US.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
findings reinforce the health dangers of cooking with
rudimentary fires or cookstoves in one of the world’s poorest
countries, but the researchers point out that there is no
local information to reach inhabitants. "Local information
about pollution exposure levels in Mozambique is sorely needed
to ground-truth [our] estimates," said <a
moz-do-not-send="true"
href="http://publichealth.gwu.edu/departments/environmental-and-occupational-health/susan-anenberg">Susan
Anenberg of Environmental Health Analytics and the George
Washington University</a>, US. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mozambique
is thought to be highly vulnerable to the kind of extreme
weather events produced by climate change, and the country
also experiences high rates of morbidity and mortality from
household air pollution. In rural areas, households typically
use open fires or rudimentary biomass stoves, while in urban
areas metal charcoal stoves are more common. Fine particulate
matter and other pollution generated by this type of
inefficient burning are known to be highly dangerous, with one
previous study linking household pollution in Mozambique in
2015 to 18,000 premature deaths. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">More
efficient options are available: natural- or forced-draft
stoves in rural areas, or modern charcoal stoves for urban
environments. In addition there are gas stoves, which are
inherently cleaner than those running on charcoal. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Anenberg
and colleagues wanted to find out how beneficial these
alternatives would be to Mozambicans. Having identified clean
cookstoves that could find success in Mozambique, they
estimated air-pollution exposure levels based on estimates for
other parts of Africa. These estimates went into an
atmospheric model and a health and climate-impact model to
make a new estimate of the possible societal benefits,
focusing in particular on deaths arising from stroke, heart
disease, lung cancer, chronic obstructive pulmonary disorder
and lower respiratory infections. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
researchers found that if just 10% of rural households in
Mozambique got a natural-draft stove, the country could expect
200 fewer deaths related to fine particulate matter over three
years; if the same households got forced-draft stoves, there
could be 500 fewer deaths. Meanwhile, if 10% of households in
five of Mozambique’s major cities got a gas stove, there could
be 160 fewer premature deaths; modern charcoal stoves would
obtain 80% of this benefit. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">As
for climate change, the researchers found that any of the
better stove scenarios would reduce the contribution to
temperature rise from cookstoves by 4–6% over the next
century. <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">"We
found that each type of cleaner cookstove examined led to
improvements in air quality, avoided health impacts from air
pollution, and less climate change-related temperature rise,"
said Anenberg. "The cleanest stoves were more health
beneficial, but nearly all were cost-effective." <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
researchers are now investigating the use of solid fuels for
heating. "Burning solid fuels for heating degrades air quality
and contributes to climate change, particularly in cold areas
where the pollution gets transported to snow and ice covered
regions and reduces the reflectivity of the planet," said
Anenberg. "We are trying to determine the extent of solid fuel
heating around the world, which types of fuels are commonly
used in different places, and the impacts this practice has on
public health and the environment." <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
style="font-size:13.5pt">About the author<o:p></o:p></span></b></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Jon
Cartwright is a contributing editor to <i>environmentalresearchweb</i><o:p></o:p></p>
<p><o:p> </o:p></p>
</div>
<br>
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