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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Dear Teddy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">To me, this confirms again that Nikhil’s point about having to have an air quality management plan om order to meaningfully manage air quality.  The idea that a stove is a curative pill is actually
 pretty accurate characterisation of what is going on:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Define something as a health/disease problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Raise alarm with scary numbers.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Induce personal guilt for benefitting from progress.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Offer a pill that will cure the problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Offer to deliver the pill for a fee.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Assuage guilt.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">The issues we have to address systematically are the first two. Upon close inspection there is an awful lot of nothing in them. What remains is modeled correlation. What are we supposed to make of
 that?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards<br>
Crispin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">An interesting read from The Conversation on air quality in Nairobi, Kenya. <span style="font-size:12.0pt;font-family:"Georgia",serif;color:#383838"><a href="https://theconversation.com/invisible-and-ignored-air-pollution-inside-the-homes-of-nairobis-residents-81109">https://theconversation.com/invisible-and-ignored-air-pollution-inside-the-homes-of-nairobis-residents-81109#</a></span><o:p></o:p></p>
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<p class="MsoNormal">''<span style="font-size:12.0pt;font-family:"Georgia",serif;color:#383838">The modelling showed that while price controls may be effective initially, sustaining gains in air quality and health outcomes will require a combination of different
 measures. The results also show that only targeting household air pollution isn’t enough.</span><o:p></o:p></p>
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<span style="font-size:12.0pt;font-family:"Georgia",serif;color:#383838">Because indoor and outdoor air pollutants constantly interact with each other as air moves in and out of people’s homes, the greatest gains will only be realised when outdoor air pollution
 is addressed effectively.<o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Georgia",serif;color:#383838">But it’s easy to focus on ambient air pollution which is more visible and ignore the problem within households. That’s why policymakers need to ensure that both challenges are monitored
 and addressed. Reducing exposure to both indoor and outdoor air pollution is critical to improving health outcomes for vulnerable populations in the informal settlements in Africa’s cities.''<o:p></o:p></span></p>
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Does anyone have anymore information on this study?<o:p></o:p></p>
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Best, <o:p></o:p></p>
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Teddy <o:p></o:p></p>
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