Sort list of variables

definitions/variable/variables.yaml

@@ -37,6 +37,7 @@
 - Research|Patents|Carbon Dioxide Removal|{CDR Method}:
     description: Number of patents related to {CDR Method}
     unit:
+
 - Start-Up Investment|Deals:
     description: Number of deals related to all net-zero initiatives start-ups
     unit:
@@ -59,6 +60,21 @@
     description: Amount of investment in start-ups related to {CDR Method}
     unit: billion USD
 
+- Planned Projects|Removal:
+    description: Planned projects for carbon dioxide removal
+    unit: Mt CO2
+- Planned Projects|Removal|{CDR Method}:
+    description: Planned projects for carbon dioxide removal using {CDR Method}
+    unit: Mt CO2
+
+- Company Announcements|Removal:
+    description: Publicly announced company ambitions for carbon dioxide removal
+    unit: Mt CO2
+- Company Announcements|Removal|{CDR Method}:
+    description: Publicly announced company ambitions for carbon dioxide removal
+      using {CDR Method}
+    unit: Mt CO2
+
 - Gross Emissions|CO2 [Reductions relative to 2020]:
     description: Reductions of gross emissions of carbon dioxide (CO2) relative to 2020,
       not accounting for negative emissions from bioenergy with CCS (BECCS) or
@@ -115,18 +131,3 @@
     unit: Gt CO2/yr
     note: For statistical indicators, the scenario-name column in the IAMC format should
       refer to the scenario ensemble or selection criteria of scenarios
-
-- Planned Projects|Removal:
-    description: Planned projects for carbon dioxide removal
-    unit: Mt CO2
-- Planned Projects|Removal|{CDR Method}:
-    description: Planned projects for carbon dioxide removal using {CDR Method}
-    unit: Mt CO2
-
-- Company Announcements|Removal:
-    description: Publicly announced company ambitions for carbon dioxide removal
-    unit: Mt CO2
-- Company Announcements|Removal|{CDR Method}:
-    description: Publicly announced company ambitions for carbon dioxide removal
-      using {CDR Method}
-    unit: Mt CO2