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• 4000x world health stands water pollution 
• 300,000 people arrrive per year 
• Himalyas 12,000 visit with 3000 residents 
• everest national park 

DEFORESTATION 

• population + tourism increase 
• inc. flood risk + destroyed habitats
• footpath erosion = silt in rivers 
• wood - heating, cooking, construction 
• 1 SHOWER = 3 TREES (slowly growing in cold environment)

LITTER

• used to be 2/3 metres high - cleanup funded by mountaineers 
• $6000 depoit + refunded if litter taken home 

REFORESTATION - 5cm / year tree growth