Centuries: 10th century - 11th century - 12th century
Decades: 970s - 980s - 990s - 1000s - 1010s - 1020s - 1030s - 1040s - 1050s - 1060s - 1070s
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030
... only for development activities. Sustainability is, then, used as an umbrella term for all of human activity.
Another definition might be like th ...
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