dégradation
(
2
)
développement durable
(
2
)
environmental degradation
(
2
)
environmental protection
(
2
)
environmentalism
(
2
)
environnement
(
2
)
nature
(
2
)
sustainable development
(
2
)
écologisme
(
2
)
ambientalismo
(
1
)
citizen participation
(
1
)
de+ѓgradation
(
1
)
de+ѓveloppement durable
(
1
)
dã©gradation
(
1
)
dã©veloppement durable
(
1
)
e+ѓcologisme
(
1
)
effect of human beings on
(
1
)
environmental conservation & protection
(
1
)
environmental protection -- citizen participation
(
1
)
green lifestyle
(
1
)
green movement
(
1
)
human ecology
(
1
)
participación ciudadana
(
1
)
protección del medio ambiente
(
1
)
protection
(
1
)
renewable natural resources
(
1
)
self-help
(
1
)
social ecology
(
1
)
ãcologisme
(
1
)