Ngā kaupapa kua whakahuatia i roto i tō rapu.
Nature
Effect of human beings on
296
Human ecology
128
Psychological aspects
40
Environmental aspects
37
History
36
Philosophy
33
Environmentalism
28
Social aspects
28
Documentary films
26
Environmental sciences
26
Global environmental change
26
Human beings
26
Climatic changes
25
Effect of environment on
24
Sustainable development
24
Ecology
22
Religious aspects
22
Environmental conditions
21
Science
21
Environmental protection
20
Environmental psychology
20
Environmental policy
18
Environmental ethics
15
Conservation of natural resources
14
Economic development
12
Environment
12
Landscape changes
12
Philosophy of nature
11
Human geography
10
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