<div dir="ltr">On a separate note, did you see this; <div><br></div><div><p style="margin:0px;padding:0px 0px 18px;border:0px;outline:0px;font-size:12px;vertical-align:baseline;background-color:rgb(245,245,245);background-position:0px 0px;line-height:20px;color:rgb(56,56,56);font-family:"lucida grande","lucida sans",arial,helvetica,sans-serif">'<span style="color:rgb(80,79,79);font-size:21px">Cleaning Up Cookstoves.....</span></p><p style="margin:0px;padding:0px 0px 18px;border:0px;outline:0px;font-size:12px;vertical-align:baseline;background-color:rgb(245,245,245);background-position:0px 0px;line-height:20px;color:rgb(56,56,56);font-family:"lucida grande","lucida sans",arial,helvetica,sans-serif">'....Such efforts may get a boost from a <a href="http://www.pnas.org/content/early/2017/01/17/1612430114.abstract" style="margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline;background-color:transparent;background-position:0px 0px;color:rgb(0,93,189);text-decoration:none">new study</a> that suggests how to target clean cookstove programs most effectively. “Many programs simply target countries with large numbers of traditional cookstoves,” said University of Colorado researcher Forrest Lacey, the lead author of the study. “Our goal was to use quantitative tools and modeling to look carefully at the environmental conditions and meteorology around the world to better understand where reducing cookstove pollution would have the biggest impact on both human health and the climate.”</p><p style="margin:0px;padding:0px 0px 18px;border:0px;outline:0px;font-size:12px;vertical-align:baseline;background-color:rgb(245,245,245);background-position:0px 0px;line-height:20px;color:rgb(56,56,56);font-family:"lucida grande","lucida sans",arial,helvetica,sans-serif">Lacey and colleagues developed a model that merged demographics and population data, emissions inventories, meteorological conditions, and satellite-based observations of haze. Their modeling effort looked at how reductions in cookstove pollution would evolve over the next hundred years.</p><p style="margin:0px;padding:0px 0px 18px;border:0px;outline:0px;font-size:12px;vertical-align:baseline;background-color:rgb(245,245,245);background-position:0px 0px;line-height:20px;color:rgb(56,56,56);font-family:"lucida grande","lucida sans",arial,helvetica,sans-serif">They found that eliminating cookstove emissions over a 20-year period would prevent 10.5 million premature deaths and would help offset global warming slightly. However, they also found that targeting the countries with the most cookstoves and the most solid fuel burned was not always the most effective approach. In fact, when measured by benefits accrued per cookstove eliminated, changes in smaller countries had some outsized effects.</p><p style="margin:0px;padding:0px 0px 18px;border:0px;outline:0px;font-size:12px;vertical-align:baseline;background-color:rgb(245,245,245);background-position:0px 0px;line-height:20px;color:rgb(56,56,56);font-family:"lucida grande","lucida sans",arial,helvetica,sans-serif">For instance, reducing pollution in Azerbaijan, Kazakhstan, Kyrgyzstan, Uzbekistan, and Ukraine would yield outsized climate benefits because winds often blow soot from these countries onto Arctic ice or snow-covered mountains, where the <a href="http://earthobservatory.nasa.gov/Features/PaintedGlaciers/page1.php" style="margin:0px;padding:0px;border:0px;outline:0px;vertical-align:baseline;background-color:transparent;background-position:0px 0px;color:rgb(0,93,189);text-decoration:none">climate effects are amplified</a>......''</p><p style="margin:0px;padding:0px 0px 18px;border:0px;outline:0px;font-size:12px;vertical-align:baseline;background-color:rgb(245,245,245);background-position:0px 0px;line-height:20px;color:rgb(56,56,56);font-family:"lucida grande","lucida sans",arial,helvetica,sans-serif"><br></p></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><b><br></b></div><div><b><a href="http://earthobservatory.nasa.gov/IOTD/view.php?id=89609&src=twitter-iotd">http://earthobservatory.nasa.gov/IOTD/view.php?id=89609&src=twitter-iotd</a> <br></b></div><div><br></div><div><br></div><div>I wonder if this knowledge could also be used for increasing forest cover in the right locations to help clean up the air as well ;) </div><div><br></div><div>Teddy </div><div><br></div></div></div></div><br></div></div>