[Stoves] FW: health impact?

[Kirk R. Smith]

Agreed.  Problem is lack of good research that 
documents these benefits sufficiently to do 
calculations on a large scale.  If you have local 
information, however, this could easily be incorporated./k

At 10:13 AM 9/4/2014, Erin Rasmussen wrote:

>It's surprising to me that there is no 
>calculation of overall stove safety in these 
>studies of health benefits.  Reducing emissions 
>is important, but preventing burns and fires is 
>also critically important to stove use and performance.
>
>I wonder if there is a way to adjust our metrics 
>to account for some of the 'basics': building 
>stoves with safety features; preventing skirt 
>fires; preventing scalding and severe burns to 
>arms and legs and fingers and toes (and 
>faces).  Disfigurement may be fatal in some 
>areas, but even when it's not it's bound to have 
>non-trivial life-long  impacts.
>
>Erin Rasmussen
>erin at trmiles.com
>
>From: Stoves 
>[mailto:stoves-bounces at lists.bioenergylists.org] On Behalf Of Sumi Mehta
>Sent: Thursday, September 04, 2014 8:15 AM
>To: stoves at lists.bioenergylists.org
>Cc: RX¡ˆúH adha Muthiah; Ajay Pillarisetti; Ranyee Chiang; Kirk R. Smith
>Subject: [Stoves] FW: health impact?
>
>Thanks, Marc-Antoine,  for your keen interest in 
>ensuring the health benefits of adopting clean 
>cooking technologies.  As you can imagine, this 
>is of very high priority here at the 
>Alliance.  Our aim is to ensure the promotion of 
>cleaner cooking technologies, i.e. the cleanest 
>possible technologies accessible and available 
>for different customer segments.  In addition, 
>since the long term goal is universal adoption 
>of truly ‘clean’ cooking, we are committed and 
>working with partners to ensure that the 
>cleanest possible technologies are developed for all fuels currently in use.
>We are also committed to ensuring that people 
>can shift to cleaner and cleaner technologies 
>and fuels, by working with a wide range of our 
>partners to facilitate increased access and affordability.
>
>As you are aware, there is even a wide 
>variability of performance associated with the 
>range of rocket stoves available.  Indeed, HAPIT 
>offers different performance  scenarios to 
>reflect the range of options in the market (as 
>well as aspirational performance), and the 
>Alliance’s work will strive to cover the range 
>of options available.  In any case, I will leave 
>it to Kirk and his team to reply about the 
>HAPIT-specific questions in more detail....
>
>Regards,
>
>Sumi
>
>Sumi Mehta, MPH, PhD
>Director of Research and Evaluation
>1750 Pennsylvania Avenue, NW, Suite 300
>Washington DC 20006
>tel: +1 202-787-5642
><mailto:smehta at cleancookstoves.org>smehta at cleancookstoves.org
>www.cleancookstoves.org
>
>
>From: Marc-Antoine Pare <<mailto:marcpare0 at gmail.com>marcpare0 at gmail.com>
>Date: September 3, 2014, 2:57:50 AM EDT
>To: Discussion of biomass cooking stoves 
><<mailto:stoves at lists.bioenergylists.org> stoves at lists.bioenergylists.org>
>Subject: [Stoves] health impact?
>Reply-To: Discussion of biomass cooking stoves 
><<mailto:stoves at lists.bioenergylists.org> stoves at lists.bioenergylists.org>
>Hi everyone,
>
>A big confession: having tinkered with stoves 
>for years, I never actually looked into the 
>numbers of stove health impacts. I'm trying to 
>fix that, and I hope you can help!
>
>
>I mean, yes, I can wave my hands about PM and CO and four million deaths!
>
>But how many deaths (or DALYs) do you avert per 
>stove? Or per 10,000 stoves? Or per 100,000,000?
>
>I thought it would be an easy question to 
>answer, but it's turning out to be quite tricky to even ballpark.
>
>Here is one interesting source. This is from the 
>very recent webinar on Kirk Smith's HAPIT tool.
>
><http://www.cleancookstoves.org/resources_files/hapit-results-rwanda.pdf>http://www.cleancookstoves.org/resources_files/hapit-results-rwanda.pdf 
>
>
>This report considers 25,000 households.
>If you provide all of those households a rocket 
>stove, you save only 0.75 lives per year.
>
>If you take the GACC's target 100,000,000 households, that would mean
>
>0.75/25000*100000000 = 3,000 lives saved worldwide annually.
>
>What am I missing there? This seems so small.
>
>Some speculation:
>
>Kirk Smith mentions in the HAPIT webinar that 
>even a small amount of PM2.5 is still harmful. 
>Perhaps biomass stoves just don't get the number low enough?
>
>I think this would fit with the chart in the 
>linked PDF that shows that stoves only reduce 
>deaths by <5% for indoor air pollution. A few 
>times in the HAPIT webinar, they mention "a lot 
>of lives are still left on the table."
>
>This also seems to agree with something I found 
>in Christian L'Orange's dissertation:
><http://digitool.library.colostate.edu/exlibris/dtl/d3_1/apache_media/L2V4bGlicmlzL2R0bC9kM18xL2FwYWNoZV9tZWRpYS8yNDYyOTQ=.pdf>http://digitool.library.colostate.edu///exlibris/dtl/d3_1/apache_media/L2V4bGlicmlzL2R0bC9kM18xL2FwYWNoZV9tZWRpYS8yNDYyOTQ=.pdf 
>
>
>Figure 33 shows that Envirofit G3300 stoves only 
>have a 3% (or so) impact on "Adjusted Relative Risk" (of death)
>
>
>Please do not worry about hurting my feelings in 
>correcting these numbers. Am I thinking about 
>this the wrong way around? Have I punched the numbers in incorrectly?
>
>Also, I would be very interested to read more 
>good papers on health impacts for sX¡ˆúH toves. 
>It is all really quite interesting work. I feel 
>bad that I didn't look at it sooner.
>
>Best,
>Marc Paré
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