We help destinations and tourism businesses become sustainable.

"The BIOSPHERE Certification distinguishes us as a leader in sustainable tourism"

Bom Bom Island Resort, Sao Tome e Principe, BH 010/2013

"BIOSPHERE provides an assurance of sustainability to our customers"

Hotel Jardim Atlantico, Madeira, BH 005/2008


Logo RTI

The Responsible Tourism Institute (RTI) is an international organization that has promoted, for more than 20 years, responsible tourism at an international level. For this, the RTI has a memorandum of understanding with UNESCO, it is a member of the World Tourism Organization (UNWTO), and promotes sustainable tourism on all fronts through Biosphere

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Benefits of BIOSPHERE


More than 20 years of experience helping the tourism industry and destinations to be more efficient


More than 30 million tourists per year visit hotels and destinations distinguished with the Biosphere certification

Global reach

With a wide presence and support of international organizations, Biosphere is the guarantee of authenticity most recognized worldwide


Certificado Biosphere

BIOSPHERE RESPONSIBLE TOURISM©, awarded by the Responsible Tourism Institute (an organization that maintains special relations with UNESCO through a Memorandum of Understanding) is the sustainable certification program designed for the tourism industry with more prestige and credibility of the international market. More than 30 million tourists per year visit destinations and hotels whose guarantee of authenticity is backed by Biosphere.

Our certification was created and developed by the Responsible Tourism Institute at the request of the 1995 World Conference on Sustainable Tourism, a milestone promoted by the United Nations through UNESCO and under the auspices of the World Tourism Organization (UNWTO) and the leading associated international organisations and related programmes, such as the United Nations Environment Programme (UNEP), the MAB Programme (Man and the Biosphere), the World Heritage Centre, the European Commission and the United Nations Division for Sustainable Development.

The Biosphere certification was the first to be approved by the Global Sustainable Tourism Council (GSTC) worldwide, and is the only one to incorporate the UN 17 Sustainable Development Goals and the main guidelines of the Paris Climate Summit.

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In the process of becoming Biosphere Certified, León, a crossroads, owes its outstanding heritage to the succession of peoples that lived in these lands: Astures (a Celtic tribe), Romans, Sueves, Visigoths, Arabs, Christian kingdoms… They all contributed to the creation of a history whose traces are visible in the character of current Leonese people, as well as in the monuments that enhance the province.

City Express Tijuana Rio

City Express Tijuana Rio

City Express Tijuana Rio hotel is located in the Zona Rio, next to the mall of the same name and only 10 minutes from the airport and only 13 minutes from the Garita to San Ysidro, border with San Diego, California.



At the Hotel Ciutat de Girona we know that cities are not only to be visited but also to be enjoyed. Therefore, we open the doors to the cultural and historic center of Girona, where our guests can have the best and most charismatic gastronomic experiences. We invite you to live the city with intensity, and let yourself be seduced by all the stimuli that make Girona a unique place. Allow us to show you a slow Girona filled with an impressive array of possibilities that will connect directly with our guests’ specific needs and ways to travel (sport, health, energy, gastronomy, urban space, history, shopping, luxury, and events). These options are always brought to our guests consistent with the values of eco and sustainable tourism. These green values have turned the Hotel Ciutat de Girona into the first hotel in the city that has obtained the sustainable tourism certification Biosphere Responsible Tourism. We think that the most important aspect of your visit to Girona is enjoying a unique experience and we are sure to offer it to you. Lively: We know that our guests are not only travelers but also explorers that are up for authentic local experiences. Girona is one of the most fascinating and emblematic cities in Catalonia, and offers a perfect context for business, gastronomy, tradition, culture, sports, and history. Our guests will surely create and live extraordinary (hi)stories on every corner of the city. Our main goal is to provide the most exclusive services so that our guests can discover and go deeper into the culture and history of our city while they greatly enjoy themselves. Because there is a Girona for everyone; it depends on how our guests wish to live and experience it. Personalized attention: We help our guests live their dream experiences to the fullest through a personalized attention. The hotel provides first-class facilities that meet even the most exigent travelers’ needs and offer the maximum comfort. Committed: We are committed to our green values: sustainability, ethical tourism, and responsibility. Accordingly, we work hard to offer quality customer service, and authentic and sustainable local experiences. To that end, we maintain a network of collaborators and providers aligned with our business model. Also, our involved staff have made it possible that Hotel Ciutat de Girona (HCC) has been the first hotel in the city to be awarded with the sustainable tourism certification Biosphere Responsible Tourism. Health & Beauty: Our exclusive sport facilities –acclimatized pool, spinning professional room with guided classes, and massage services— help our guests maintain their exercise and health routines, and/or just add to their visit relaxing moments and sensations, naturally achieved by the use of ecological spa products. Also, our catering services –breakfast, room service, and bar – always incorporate samples of our local gastronomy, including a careful selection of ecological products, and a detailed proposal of a healthy diet. Attentive: At the Hotel Ciutat de Girona, nothing is left to chance. Every detail matters. Anything you can see, feel, smell, touch, or taste responds to the same motivation: our guests’ complete satisfaction.