Tourism and hospitality are "double-edged swords" that bring profound economic, social, and environmental impacts to destinations. Economically, they are massive drivers of job creation and GDP growth, often providing the primary source of income for island nations and developing regions through foreign exchange and infrastructure investment. Socially, tourism can foster cultural exchange and help preserve heritage sites; however, it can also lead to "overtourism," where local residents are priced out of housing and traditional cultures are "commodified" for entertainment. Environmentally, the industry faces significant scrutiny in 2026; while it provides funds for wildlife conservation and national parks, it also contributes to carbon emissions from air travel, water scarcity in resort areas, and waste management crises. For example, cruise ships can produce over 70,000 tons of waste annually in the Caribbean alone. Sustainable "regenerative tourism" models are increasingly being implemented to ensure that the industry's presence actually improves the destination's ecosystem rather than just depleting its resources.