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" the only way to significantly reduce CO2 emissions from the transportation sector is to build vehicles that do not consume any petroleum whatsoever "-- but it will also come around to the political and economic benefits of sustainability: creation of "green tech" jobs, a reduction of oil imports, strategic diversification of the energy supply, and the deployment of renewable energy.The International Energy Agency forecasts a scenario that sees as many as 2.5 million EVs on the world's roads by 2020 and 50 million by 2050. And for those of us working on solutions today, the zero-emission future has already begun. nABOUT THE AUTHORCarlos Ghosn is Chairman and CEO of the Renault-Nissan Alliance.He joined Nissan Motor as Chief Operating Officer in June 1999 and was named Chief Executive Officer in June 2001. President of Renault since May 2005, he remains President and CEO of Nissan. Carlos Ghosn is also a director of Alcoa and AVTOVAZ. He was appointed President and CEO of Renault in May 2009. A graduate of École Polytechnique and École des Mines in Paris, Carlos Ghosn had a successful career at Michelin, starting in 1978 as manager at the Le Puy plant in France and rising through the ranks to become Chairman and Chief Executive Officer of Michelin North America in 1989.transport and mobility 125

International Tourism at One Billion: Meeting the Climate Challenge A s international tourism nears one billion travellers in a single year, the sector continues to work tirelessly to face the challenge of climate change.By the end of 2012, one billion tourists will have traveled the globe in a single year. This is an extraordinary figure, especially when we consider that just over 60 years ago international tourists stood at a mere 25 million. In 1950 - when tourism was the preserve of the privileged few - it would have been almost unimaginable that by 2012 one seventh of the world would be on the move and crossing international borders in just one year.Reaching one billion is welcome news for the world's economies, all of which count to varying degrees on tourism's contribution to GDP and employment, but it also raises understandable concerns: What does this number mean for carbon emissions? How can governments prevent harmful tourism practices? Is one billion compatible with sustainability? These questions need answering and the tourism sector has a heavy responsibility on its shoulders as it continues along its phenomenal growth trajectory. Yet the answer lies not in putting brakes on tourism, the livelihood of hundreds of millions worldwide, but rather in how to put in place the right conditions to capitalize on the enormous opportunity embodied in one billion people. Tourism, a strategic sector of the Green Economy Tourism is estimated to be responsible for around 5 per cent of global carbon emissions, a figure the sector is working tirelessly to bring down. The aviation industry, responsible for nearly half of tourism's total " Investment in green tourism would stimulate job creation, especially in poorer communities, with increased local hiring and sourcing "Dr Taleb Rifai, Secretary-General, The United Nations World Tourism Organization (UNWTO)carbon emissions, has committed to cap net emissions from 2020 and cut them in half by 2050 compared to 2005 levels. The accommodation industry is at the forefront of some of the world's most innovative sustainable energy initiatives, with practices in hotels often replicated in other industries. At the same time, tourism has been recognised as a sector that, as it expands over the coming decades, can contribute to much-needed economic growth, employment and development while ensuring significant environmental benefits such as reductions in water consumption, energy use and CO2 emissions. This was one of the conclusions of the Green Economy Report - a ground breaking UN study, led by the UN Environmental Programme (UNEP), on how to spur a green transformation while ensuring continued growth - which identified tourism as one of ten economic sectors key to greening the global economy.The Tourism Chapter of the Green Economy Report, developed together with UNWTO, shows that investing in environmentally-friendly tourism can drive economic growth, lead to poverty reduction and job creation, while improving resource efficiency and minimising environmental degradation. Investment in green tourism would stimulate job creation, especially in Pictured Above: Tourism represents around 45 per cent of the exports of services for least developed countriesRight: Dr Taleb RifaiBelow: Mountain HikersCredit: UNWTO126 TOURISM