REMOVE

1. Wood -- Combustion

WHAT

1. Ecotourism (1)
2. National parks and reserv … (1)
3. Recycling (Waste, etc.) (1)
4. Sustainable tourism (1)
5. Tourist camps, hostels, e … (1)

WHERE

1. ENGLAND, UK (1)
2. Lockton, North Yorkshire (1)

WHO

1. not known (1)

WHEN

1. 2005 (1)