Oasia Hotel Downtown is a stylish and modern hotel in Singapore that is committed to sustainability. The hotel features a range of eco-friendly amenities, including energy-efficient lighting, a waste management system that recycles over 80% of its waste, and a rooftop garden that provides fresh produce for the hotel's restaurants. The hotel also has a green facade that is covered in over 21 species of plants, which helps to reduce the building's carbon footprint.