20:
275:
315:
218:
295:
339:
369:
187:
182:
177:
172:
167:
161:
155:
150:
145:
140:
135:
124:
119:
114:
109:
104:
94:
89:
84:
79:
74:
262:
48:
364:
238:
215:
64:
8:
56:
34:
25:
52:
60:
299:
319:
279:
266:
242:
343:
222:
374:
358:
19:
336:
259:
202:
This category has the following 7 subcategories, out of 7 total.
41:
276:
Non-renewable resource companies established in 1919
15:
69:
356:
316:Renewable resource companies established in 1919
219:Environmental organizations established in 1919
357:
197:
296:Protected areas established in 1919
13:
204:
196:
14:
386:
18:
49:human impact on the environment
1:
32:These articles relate to the
7:
10:
391:
340:Species described in 1919
370:1910s in the environment
263:1919 natural disasters
65:environmental issues
365:Environment by year
57:nature conservation
35:natural environment
26:Environment portal
53:environmental law
47:They include the
382:
345:
338:
321:
301:
281:
268:
261:
244:
239:1919 meteorology
224:
217:
61:environmentalism
28:
23:
22:
390:
389:
385:
384:
383:
381:
380:
379:
355:
354:
353:
352:
351:
350:
347:
346:
335:
326:
323:
322:
306:
303:
302:
286:
283:
282:
270:
269:
258:
249:
246:
245:
229:
226:
225:
214:
195:
194:
193:
192:
130:
129:
46:
24:
17:
12:
11:
5:
388:
378:
377:
372:
367:
349:
348:
334:
333:
330:
327:
325:
324:
314:
313:
310:
307:
305:
304:
294:
293:
290:
287:
285:
284:
274:
273:
271:
257:
256:
253:
250:
248:
247:
237:
236:
233:
230:
228:
227:
213:
212:
209:
206:
205:
200:
191:
190:
185:
180:
175:
170:
165:
158:
153:
148:
143:
138:
132:
131:
128:
127:
122:
117:
112:
107:
102:
97:
92:
87:
82:
77:
71:
70:
30:
29:
9:
6:
4:
3:
2:
387:
376:
373:
371:
368:
366:
363:
362:
360:
341:
337:
332:
331:
328:
317:
312:
311:
308:
297:
292:
291:
288:
277:
272:
264:
260:
255:
254:
251:
240:
235:
234:
231:
220:
216:
211:
210:
207:
203:
199:Subcategories
198:
189:
186:
184:
181:
179:
176:
174:
171:
169:
166:
164:
163:
159:
157:
154:
152:
149:
147:
144:
142:
139:
137:
134:
133:
126:
123:
121:
118:
116:
113:
111:
108:
106:
103:
101:
98:
96:
93:
91:
88:
86:
83:
81:
78:
76:
73:
72:
68:
66:
62:
58:
54:
50:
44:
43:
37:
36:
27:
21:
16:
201:
160:
99:
39:
33:
31:
359:Categories
344:(4 C, 1 P)
267:(2 C, 2 P)
40:the year
300:(26 P)
320:(2 P)
280:(9 P)
243:(5 P)
223:(1 C)
188:1960s
183:1950s
178:1940s
173:1930s
168:1920s
162:1910s
156:1900s
151:1890s
146:1880s
141:1870s
136:1860s
375:1919
125:1924
120:1923
115:1922
110:1921
105:1920
100:1919
95:1918
90:1917
85:1916
80:1915
75:1914
63:and
42:1919
38:in
361::
342:
318:
298:
278:
265:
241:
221:
67:.
59:,
55:,
51:,
329:S
309:R
289:P
252:N
232:M
208:E
45:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
