Global Ecotel Tourism Market Size, Share & Demand Report By Accommodation Type (Eco-Hotels, Eco-Lodges, Green Resorts, Sustainable Boutique Hotels, Community-Run Stays, Treehouses / Unique Eco-Accommodations), By Traveler Type (Adventure Travelers, Leisure Travelers, Family Travelers, Business Travelers, Solo Travelers, Eco-Conscious Millennials & Gen-Z), By Region & Segment Forecasts, 2025–2030