Final answer:
The main idea is that tourism is a significant economic driver that provides a broad range of job opportunities and plays a key role in the economic growth of countries, especially in areas with limited industrial activities. It also addresses the importance of environmental sustainability in tourism.
Step-by-step explanation:
The main idea of the provided paragraph is that tourism plays a critical role in the economic development and job creation within a country, especially as it provides a diverse range of employment opportunities across various regions, including those outside major urban centers. It emphasizes the importance of integrating tourism into national development strategies to unlock potential economic growth and welfare improvements, highlighting its potential to be a cornerstone of new productive systems, especially in areas where other industries might be less viable.
Moreover, tourism is noted for its ability to generate income and bolster economic activities, which is essential for countries seeking to gain national wealth outside traditional industries like agriculture, extraction/mining, and manufacturing. There is also a recognition of the service sector's significant contribution to employment and national economies. However, concerns are raised about the environmental impact of tourism, prompting measures to ensure sustainability and the preservation of natural resources, such as the adoption of eco-friendly practices and international treaties that address environmental concerns.