<div dir="ltr"><span id="m_-2128164392509510889gmail-docs-internal-guid-b0acfd6a-7fff-e096-4ace-95d4c308b52e"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Dear PCC,</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">We are excited to share two </span><a href="https://pcc.uw.edu/research/acorn-program/" target="_blank" style="text-decoration-line:none"><span style="font-size:11pt;font-family:"Times New Roman";background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">PCC ACORN</span></a><span style="font-size:11pt;font-family:"Times New Roman";background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"> opportunities in collaboration with </span><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Homeostasis Systems Corp</span><span style="font-size:11pt;font-family:"Times New Roman";background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, a carbon dioxide removal (CDR) startup company. </span><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Each project would aim to research and communicate findings on an issue below. Please let us know by </span><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Friday, March 31st</span><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">, if you are interested in working on any of the topics below or have further questions about this ACORN project!</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">
<span style="font-weight:700">Graduate students and postdocs interested in either of these projects should respond with a CV and a brief (a few sentences) description of their interest in the project.</span>

</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Potential Homeostasis ACORN Projects:</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Project 1: Passive vs Active CO2 Removal Box Analysis</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Homeostasis Systems Corp is an early-stage CO2 removal startup that is developing a mode of direct air capture (DAC) that does not require forced air flow. Conventional (active) DAC makes use of large arrays of fans to pump air across their contactors, expending an additional 15-35% of energy on an already energy intensive process. A growing school of thought sees passive DAC as a more effective solution. Homeostasis would like to study the macro effects of this passive DAC paradigm on atmospheric CO2 levels, relative to that of active DAC systems. Until multiple at-scale DAC systems are operational, quantitative comparisons can only be achieved via modeling. Homeostasis is interested in working with one or more graduate student(s) as an ACORN project team to build such a model. They are open to the types of skill sets and knowledge bases that could assist with this effort, though imagine a background in atmospheric box modeling  and/or fluid mechanics would be ideal.</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Project 2: CO2 to Graphite Process Life Cycle Analysis</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Homeostasis Systems Corp is an early-stage CO2 removal & utilization (CDRU) startup that is developing a process that removes and reduces atmospheric CO2 into carbonaceous products (namely, carbon black & graphite). It is vital for CDRU organizations to build and regularly perform Carbon Life Cycle Analyses (LCA) to ensure they are having the effects on atmospheric carbon that they proport. Homeostasis has created a preliminary LCA model, and is looking to revisit and refine this model with the help of one or more graduate student(s) familiar with this type of analysis or willing to learn about LCA independently as an ACORN project team. </span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";color:rgb(136,136,136);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">--</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Acorn Project Team</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Program on Climate Change</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:"Times New Roman";font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">University of Washington</span></p></span><font color="#888888"><br class="gmail-Apple-interchange-newline"></font><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Treasure Warren (<i>she/her or they/them</i>)<div><span style="color:rgb(34,34,34)">Predoctoral Research Associate</span></div><div><font color="#222222">University of Washington </font></div><div><font color="#222222">School of Oceanography<br></font><div><br><div><br></div></div></div></div></div></div>