Table 3 The top ten ranking of subject categories for published articles associated with solid waste

1^st

Environmental sciences

175 (45.8)

2^nd

Environmental engineering

111 (29.1)

3^rd

Energy fuels

45 (11.8)

4^th

Applied microbiology and biotechnology

44 (11.5)

5^th

Chemical engineering

35 (9.2)

6^th

Civil engineering

32 (8.4)

7^th

Water resources

31 (8.1)

8^th

Agricultural engineering

24 (6.3)

9^th

Applied chemistry

14 (3.7)

9^th

Soil science

14 (3.7)