Many of the world's major heritage sites could be hit by global warming, claims a new report.
The Future of Travel Report, issued by the thinktank The Centre for Future Studies (CFS), warns that popular tourist attractions such as Tuscany and Capri could by hit by too many visitors and climate change.
CFS director Frank Shaw told Reuters: 'I'm reasonably confident we're going to see an increasing climate degradation that is going to impact on various places in the world with increasing severity.
'Floods, storms, droughts, increasing and erratic temperatures will combine to bring about changes in destination choice for tourists.'
The thinktank predicts the Florida Everglades and Nepal's Kathmandu Valley will both reach their visitor capacity by 2020 and local authorites may be forced to increase entry costs or taxes to bring down the number of tourists.
Over the next 15 years the report forecasts high summer temperatures making many Mediterranean destinations, such as Athens and Crete, unbearable and prone to experience water shortages.
The Maldives could be hit by rising sea temperatures and Goa could face beach erosion and more frequent cyclones. Spain's Puerto de Mazarron is predicted to suffer flash floods, forest fires and malaria.
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