Color of rivers
lundi 25 janvier 2021 à 01:001/3 of the rivers in the US have visibly changed color in the past 40 years.
The direct causes may vary, but the underlying causes is almost certainly human activity in nearly every case.
Site original : Richard Stallman's Political Notes
1/3 of the rivers in the US have visibly changed color in the past 40 years.
The direct causes may vary, but the underlying causes is almost certainly human activity in nearly every case.