I'm interested in Booking.com's 'Travel Sustainable' program. Please tell me the total number of properties globally that have achieved this badge as of the latest update. What were the three original key areas of focus for this badge when it launched, and how can properties earn the 'Travel Sustainable' badge, including the number of specific measures and the five key areas these measures are categorized under?
Navigate to 'sustainability.booking.com'. On the homepage, locate and click the 'Learn more about the Travel Sustainable program' link. Identify the total number of properties globally that have received a 'Travel Sustainable' badge. Identify the three original key areas of focus when the badge was launched. Explain how properties can earn the 'Travel Sustainable' badge, including the number of specific measures and the five key areas these measures are categorized under. Synthesize all collected information into a concise answer.
The agent successfully navigates to 'sustainability.booking.com'. The agent successfully navigates to the 'Travel Sustainable' program details page. The agent states the total number of properties globally that have received a 'Travel Sustainable' badge as 'more than 1.6 million' (or the most current figure on the page). The agent identifies the three original key areas of focus for the badge as 'Waste', 'Energy & Greenhouse Gases', and 'Water'. The agent explains that properties earn the badge by implementing a combination of sustainable practices that meet a certain impact threshold, and that these practices are categorized into 32 specific measures across five key areas: waste, energy and greenhouse gases, water, supporting local communities, and protecting nature.