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This category has the following 2 subcategories, out of 2 total.
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49:human impact on the environment
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32:These articles relate to the
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243:Species described in 1822
273:1820s in the environment
219:1822 natural disasters
65:environmental issues
268:Environment by year
57:nature conservation
35:natural environment
26:Environment portal
53:environmental law
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262:Categories
247:(4 C, 4 P)
40:the year
223:(1 C)
188:1870s
183:1860s
178:1850s
173:1840s
168:1830s
162:1820s
156:1810s
151:1800s
146:1790s
141:1780s
136:1770s
278:1822
125:1827
120:1826
115:1825
110:1824
105:1823
100:1822
95:1821
90:1820
85:1819
80:1818
75:1817
63:and
42:1822
38:in
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232:S
208:N
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