<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">On Mar 17, 2020, at 1:13 PM, John Clark via extropy-chat <extropy-chat@lists.extropy.org> wrote:<blockquote type="cite"><div dir="ltr"><div dir="ltr"><span class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4">The </font></span><font size="4">European Space Agency’s Sentinel-5P satellite<font face="arial, helvetica, sans-serif"> that </font><span class="gmail_default" style=""><font face="arial, helvetica, sans-serif">monitors</font></span><font face="arial, helvetica, sans-serif"> <span class="gmail_default" style="font-family:arial,helvetica,sans-serif">air </span>pollution from </font>industrial<font face="arial, helvetica, sans-serif"> activity gives a vivid picture of how countries in Asia and Europe are shutting down due to the virus.</font><span class="gmail_default" style=""><font face="arial, helvetica, sans-serif"> I don't think there has ever been anything like this before.</font></span></font><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4"><br></font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4"><a href="https://www.nytimes.com/interactive/2020/climate/coronavirus-pollution.html?action=click&module=Top%20Stories&pgtype=Homepage">Coronavirus shuts down countries around the world</a> </font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4"><br></font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4">John K Clark</font></div></div></div></blockquote><br><div><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">After the 02001 attacks, there were several days of no commercial flights over the US. This provided data on how commercial aviation impacts the atmosphere. </span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><div dir="ltr" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><div style="line-height: normal;"><div style="line-height: normal;"><span style="line-height: 20px;">Regards,</span></div><div style="line-height: normal;"><span style="line-height: 20px;"><br></span></div><div><div style="line-height: normal;"><span style="line-height: 20px;">Dan</span></div><div style="line-height: normal;"><span style="line-height: 20px;"> Sample my Kindle books at:</span></div><div style="line-height: normal;"><p style="margin: 0px; font-stretch: normal; font-size: 12px; line-height: normal; font-family: Helvetica;"><span style="font-size: 12pt;">http://author.to/DanUst</span></p></div></div></div></div></div></body></html>