Хайлтын үр дүнгүүд
Таны хайлт доторх Санал болгосон сэдвүүд.
Таны хайлт доторх Санал болгосон сэдвүүд.
- Environmental aspects
- Sustainable development 176
- Climatic changes 170
- Environmental policy 168
- Economic aspects 155
- Economic development 130
- Social aspects 113
- Pollution 98
- Government policy 90
- History 79
- Agriculture 77
- Management 58
- Health aspects 55
- City planning 54
- Environmental conditions 52
- Environmental protection 52
- Energy policy 49
- Social responsibility of business 48
- Power resources 42
- Toxicology 42
- Urban ecology (Sociology) 41
- Air 40
- Industrial management 39
- Research 38
- Political aspects 37
- Transportation 37
- Industries 35
- Technological innovations 35
- Agriculture and state 31
- Human ecology 30
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