Over the years 1996 - 2002 the total population for which exposure estimates are made, increases from 50 to 110 million people due to an increasing number of monitoring station reporting under the Exchange of Information Decision
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Data prior to 1996 with a coverage of less than 50 million people are not representative for the European situation. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage.
Developing countries often gain little financial benefit from the influx of visitors to their shores. Only around 30 % of the money spent by tourists on their holiday remains in the host country. Eco tourism is promoted in some countries. For sustainable destinations, explore EU’s catalogue at www.eco-label.com or the National Geographic's portal at www.nationalgeographic.com/travel/sustainable.
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