Categories
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The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Programs (412 members)
- Provinces (15 members)
- Puerto Rico (1 member)
- Qatar (29 members)
- Quebec (10 members)
- Queensland (12 members)
- Radioactive Pollution (86 members)
- Radioactive Waste (69 members)
- Rain Forest (13 members)
- Rainforest (377 members)
- Recycling (160 members)
- Redistricting (32 members)
- Referendums (6 members)
- Renewable Energy (1,118 members)
- Republic of the Congo (2 members)
- Resilience (1,142 members)
- Resolution (0 members)
- Resolutions (674 members)
- Rhode Island (11 members)
- Rice University (8 members)