ScienceAlert2 小时
Scientists Tested 8 Famous Cities. Only 1 Met The Standard For Tree Cover.
Can you see three trees from your home, school or workplace? Is there tree canopy cover shading at least 30% of the ...
We rated the urban forests of 8 global cities – only Singapore passed the 30% canopy test
Have you heard of the 3+30+300 rule for urban forestry? See how Melbourne and Sydney compare to New York, Denver, Seattle, ...