Add variables for Chapter 2

.gitignore

@@ -1,4 +1,8 @@
-### Common definitions
+### Data folder ###
+
+data/
+
+### Common definitions ###
 common-definitions/
 
 ### IntelliJ PyCharm ###

definitions/region/common.yaml

@@ -2,7 +2,8 @@
     - World
 
 - Regions:
-    - North America
+    - North America:
+        description: United States and Canada
     - China
     - Europe
     - Asia

definitions/variable/tag_cdr-methods.yaml

@@ -0,0 +1,27 @@
+- CDR Method:
+    - BECCS:
+        description: use of bioenergy (BE) in combination with carbon-capture and
+          sequestration (CCS)
+    - DAC(CS):
+        description: direct air capture in combination with carbon-capture and
+          sequestration (CCS)
+    - Soil Carbon Sequestration:
+        description: soil carbon sequestration
+    - Afforestation and Reforestation:
+        description: afforestation and reforestation
+    - Restoration of Landscapes and Peats:
+        description: restoration of landscapes and peats
+    - Forest Management:
+        description: improved forest management
+    - Biochar:
+        description: use of biochar
+    - Enhanced Weathering:
+        description: enhanced weathering
+    - Ocean Alkalinity Enhancement:
+        description: ocean alkalinity enhancement
+    - Blue Carbon:
+        description: carbon sequestration in coastal and marine ecosystems
+    - Ocean Fertilization:
+        description: ocean fertilization and artificial upwelling
+    - Other:
+        description: other carbon dioxide removal methods

definitions/variable/variables.yaml

@@ -1,3 +1,39 @@
-- Emissions|CO2:
-    description: Total net emissions of carbon dioxide (CO2)
-    unit: Mt CO2/yr
+- Research|Active Grants:
+    description: Number of active grants related to carbon dioxide removal technologies
+    unit:
+- Research|Active Grants|{CDR Method}:
+    description: Number of active grants related to {CDR Method}
+    unit:
+- Research|Funding:
+    description: Amount of funding on active research grants related to carbon dioxide
+      removal technologies
+    unit: million USD
+- Research|Publications:
+    description: Number of publications related to carbon dioxide removal technologies
+    unit:
+- Research|Publications|General Literature on CDR and NET:
+    description: Number of general publications related to carbon dioxide removal
+      and negative-emissions technologies
+    unit:
+- Research|Publications|General Literature on CDR and NET [Share]:
+    description: General publications related to carbon dioxide removal and
+      negative-emissions technologies computed as share of all relevant publications
+      in the given region
+    unit: "%"
+- Research|Publications|{CDR Method}:
+    description: Number of publications related to {CDR Method}
+    unit:
+- Research|Publications|{CDR Method} [Share]:
+    description: Publications related to {CDR Method} computed as share over all
+      relevant publications in the given region
+    unit: "%"
+- Research|Patents|Climate Change Mitigation:
+    description: Number of patents related to all climate change mitigation inventions
+      including carbon dioxide removal technologies
+    unit:
+- Research|Patents|Carbon Dioxide Removal:
+    description: Number of patents related to all carbon dioxide removal technologies
+    unit:
+- Research|Patents|Carbon Dioxide Removal|{CDR Method}:
+    description: Number of patents related to {CDR Method}
+    unit: