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biodiversity
sustainability
2
Amazon River
1
Congo River
1
Ganges River
1
La Plata River
1
Lena River
1
Mekong River
1
Orinoco River
1
Yangtze River
1
Yenisey River
1
emissions
1
energy efficiency
1
freshwater
1
green construction
1
indigenous peoples
1
rivers
1
sustainable development
1
threatened species
1
water cycle
1
water issues
1
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