Major Industry of Greenland:
Greenland's major industry is fisheries, specifically the fishing and export of cold-water shrimp and halibut. Here's why:

Abundant Marine Resources:
- Greenland's waters are rich in various marine species due to its cold climate and nutrient-rich waters.
- The country has access to a large exclusive economic zone (EEZ) in the North Atlantic Ocean, providing ample fishing grounds.

Historical Importance:
- Fishing has been a vital part of Greenlandic culture and economy for centuries. Indigenous communities have traditionally relied on fishing for sustenance and trade.

Economic Significance:
- The fishing industry contributes significantly to Greenland's GDP and employment. It is a major source of revenue for the country.
- Fish exports, especially shrimp and halibut, are highly sought after in international markets, providing valuable income for Greenlandic fisheries.

Sustainable Practices:
- Greenland places a strong emphasis on sustainable fishing practices to ensure the long-term health of marine ecosystems.
- Regulations are in place to control fishing quotas, protect endangered species, and minimize environmental impact.

Challenges:
- Climate change poses a threat to Greenland's fisheries as warming waters can disrupt marine ecosystems and fish populations.
- The remote location and harsh weather conditions in Greenland present logistical challenges for the fishing industry.
In conclusion, the fishing industry, particularly the fishing and export of shrimp and halibut, is the major industry in Greenland due to its abundance of marine resources, historical importance, economic significance, focus on sustainable practices, and the challenges it faces.