Forest provides a wide range of environmental goods and services among which, biodiversity or consumption goods: they are know as forest amenities and constitute public goods. So, the valuing of forest cannot be directly based on market prices but is estimated using revealed preference methods....

The largest special events (mega events) such as World's Fairs and Expositions, the FIFA World Cup Final, or the Olympic Games put a tremendous amount of pressure on the food production chain associated with these events, increasing the potential for food safety and security breaches. Any breach...