diff --git a/templates/macros.html b/templates/macros.html
index a7b67a7..3fb3b0a 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -113,7 +113,7 @@
       {% endif %}
     {% endif %}
   </div>
-  {% for i in range(8) %}
+  {% for i in range(9) %}
     <div class="grid-item"></div>
   {% endfor %}
 
@@ -143,6 +143,7 @@
         {{ "{:,.0f} km / {:,.0f} miles".format(item.distance, item.distance / 1.60934) }}
       {% endif %}
     </div>
+    <div class="grid-item text-end">{{ item.co2_kg }} kg</div>
   {% endfor %}
 {% endmacro %}
 
diff --git a/templates/travel.html b/templates/travel.html
index 06d1d4e..ebb937b 100644
--- a/templates/travel.html
+++ b/templates/travel.html
@@ -3,7 +3,7 @@
 
 {% block title %}Travel - Edward Betts{% endblock %}
 
-{% set flight_column_count = 10 %}
+{% set flight_column_count = 11 %}
 {% set column_count = 10 %}
 
 {% block style %}
@@ -47,6 +47,7 @@
       <div class="grid-item">flight</div>
       <div class="grid-item">tracking</div>
       <div class="grid-item">distance</div>
+      <div class="grid-item">CO₂ (kg)</div>
 
     {% for item in flights %}
       {{ flight_booking_row(item) }}