1

Agriculture and Food Security

2

Atmospheric Chemistry

3

Biodiversity

4

Bio-geochemistry

5

Climate Change

6

Earth Science

7

Ecology

8

Environmental Economics

9

Environmental Science

10

Fossil Fuels and Energy

11

Geochemistry

12

Geology

13

Geophysics

14

Glaciology

15

Green Energy

16

Hydrogeology

17

Hydrology

18

Limnology

19

Meteorology

20

Natural Hazards

21

Oceanography

22

Paleontology

23

Petrology

24

Physical Geography

25

Plant Science and Biotechnology

26

Pollution Control

27

Recycling

28

Remediation

29

Remote Sensing

30

Renewable Energy

31

Sewage Treatment

32

Soil Science

33

Waste Management

34

Climate Change Challenges Sustainability

35

Greenhouse Gases effect on Climate Change

36

Fossil Fuels effect on Climate Change

37

Land Degradation effect on Climate Change

38

History of Pandemics effect on Climate Change

39

Degrowth effect on Climate Change

40

Kelp Forests effect on Climate Change

41

Climate Modeling and Prediction

42

Climate Change Mitigation Strategies

43

Climate Finance and Investment

44

Climate Education and Outreach

45

Climate Change and Human Health

46

Climate Change and Land Use Planning

47

Green Technology Innovation

48

Climate Change and Air Quality

49

Climate Resilient Infrastructure

50

Blockchain and Digital Technologies in Climate Finance and Carbon Trading