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Subject (Region)
- Ecuador6
- United States6
- Alaska5
- Amazon River Region4
- Arctic National Wildlife Refuge4
- Maine2
- Montana2
- New Mexico2
- Alberta1
- Arctic National Wildlife Refuge (Alaska)1
- Arctic Ocean1
- Fort McMurray1
- Great Britain1
- Great Plains1
- Louisiana1
- Niger River Delta1
- Niger River Delta (Nigeria)1
- Nigeria1
- North Dakota1
- Parque Nacional Yasuní1