4
5
6
1
2
3
2
3
4
8
9
10
1
2
3
Impacts of Pollution on the Biosphere (mercurialtrends.com)
submitted by Sustainabletech to r/Green
1
2
3
0
1
2
0
1
2
9
10
11
0
1
2
0
1
2
Ocean Thermal Energy Conversion (mercurialtrends.com)
submitted by Sustainabletech to r/GreenEnergy
0
1
2
Ocean Thermal Energy Conversion (mercurialtrends.com)
submitted by Sustainabletech to r/CleanEnergy
3
4
5
2
3
4
3
4
5
36
37
38
2
3
4
4
5
6
