--- a/people/index.html	Tue Jan 31 12:14:29 2012 -0500
+++ b/people/index.html	Tue Jan 31 18:43:57 2012 +0000
@@ -84,7 +84,7 @@
 <p class="editorsnote">@@TODO: describe real world use cases and derive requirements common to all to decide what is and what is not in scope re target entities.</p>
 <!-- UC 1 -->
 <section>
-<h3 id="uc-find-politician">Use Case &mdash; Finding a politician</h3>
+<h3 id="uc-find-politician">UC1 &mdash; Finding a politician</h3>
 <section>
 <h4>Scenario</h4>
 	<p>A <a title="publisher">publisher</a> wants to provide contact details for politicians, responsible for a certain region and/or topic.</p>
@@ -102,7 +102,7 @@
 </section>
 <!-- UC 2 -->
 <section>
-<h3 id="uc-spending">Use Case &mdash; Provide spending of local authority</h3>
+<h3 id="uc-spending">UC2 &mdash; Provide spending of local authority</h3>
 <section>
 <h4>Scenario</h4>
 	<p>A <a title="publisher">publisher</a> wants to provide an overview of how a local authority, such as a County Council, spends its money.</p>
@@ -119,7 +119,7 @@
 </section>
 <!-- UC 3 -->
 <section>
-<h3 id="uc-tender">Use Case &mdash; Public tenders</h3>
+<h3 id="uc-tender">UC3 &mdash; Public tenders</h3>
 <section>
 <h4>Scenario</h4>
 	<p>A <a title="publisher">publisher</a> wants to provide access to public tenders.</p>
@@ -130,26 +130,43 @@
 	<ul>
 		<li>Contact details of contracting authority</li>
 		<li>Object of the contract</li>
-		
+		<li>Contract duration and conditions</li>
 	</ul>
 </section>
 </section>
-
+<!-- UC 4 -->
+<section>
+<h3 id="uc-emissions">UC4 &mdash; Carbon dioxide emissions</h3>
+<section>
+<h4>Scenario</h4>
+	<p>A <a title="consumer">consumer</a> wants to map carbon dioxide emissions for a certain territory.</p>
+	<p>Real-world example: <a href="http://www.sandbag.org.uk/maps/emissionsmap/" title="Sandbag: Emissions map">Europe’s carbon dioxide emissions</a>.</p>
+</section>
+<section>
+<h4>Requirements</h4>
+	<ul>
+		<li>Volume of emission</li>
+		<li>Type of emission</li>
+		<li>Geolocation of emission</li>
+	</ul>
+</section>
+</section>
 <section>
 <h3 id="uc-req">Requirements</h3>
 <table class="simple" summary="Use cases vs. requirements">
 	<thead>
-		<tr><th>Requirement</th><th><a href="#uc-find-politician">UC1</a></th><th><a href="#uc-spending">UC2</a></th><th><a href="#uc-tender">UC3</a></th></tr>
+		<tr><th>Requirement</th><th><a href="#uc-find-politician">UC1</a></th><th><a href="#uc-spending">UC2</a></th><th><a href="#uc-tender">UC3</a></th><th><a href="#uc-emissions">UC4</a></th></tr>
 	<thead>
 	<tbody>
-		<tr><td>Contact details</td><td>&bull;</td><td>&bull;</td><td>&bull;</td></tr>
-		<tr><td>Area of responsibility</td><td>&bull;</td><td></td><td></td></tr>
-		<tr><td>Office location</td><td>&bull;</td><td></td><td></td></tr>
-		<tr><td>Membership in a body</td><td>&bull;</td><td>&bull;</td><td></td></tr>
-		<tr><td>Expense type</td><td></td><td>&bull;</td><td></td></tr>
-		<tr><td>Event</td><td></td><td>&bull;</td><td></td></tr>
-		<tr><td>Amount</td><td></td><td>&bull;</td><td>&bull;</td></tr>
-		<tr><td>Object of the contract</td><td></td><td>&bull;</td><td>&bull;</td></tr>
+		<tr><td>Contact details</td><td>&bull;</td><td>&bull;</td><td>&bull;</td><td></td></tr>
+		<tr><td>Area of responsibility</td><td>&bull;</td><td></td><td></td><td></td></tr>
+		<tr><td>Location</td><td>&bull;</td><td></td><td></td><td>&bull;</td></tr>
+		<tr><td>Membership in a body</td><td>&bull;</td><td>&bull;</td><td></td><td></td></tr>
+		<tr><td>Expense type</td><td></td><td>&bull;</td><td></td><td></td></tr>
+		<tr><td>Event</td><td></td><td>&bull;</td><td>&bull;</td><td>&bull;</td></tr>
+		<tr><td>Amount</td><td></td><td>&bull;</td><td>&bull;</td><td>&bull;</td></tr>
+		<tr><td>Object of the contract</td><td></td><td></td><td>&bull;</td><td></td></tr>
+		<tr><td>Emission type</td><td></td><td></td><td></td><td>&bull;</td></tr>
 	</tbody>
 </table>
 </section>