Search our collection of background (non-event) articles from news media, science journals and other sources.
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| WINTER | 32 | |
| SPRING | 22 | |
| SUMMER | 18 | |
| FALL | 15 |
| United States | 129 | |
| Canada | 27 | |
| Russia | 11 | |
| Iceland | 4 | |
| Norway | 4 | |
| Finland | 2 | |
| Mongolia | 2 | |
| China | 1 | |
| Denmark | 1 | |
| Faroe Islands | 1 | |
| Greenland | 1 | |
| India | 1 | |
| Italy | 1 | |
| Spain | 1 | |
| Svalbard and Jan Mayen | 1 | |
| Sweden | 1 | |
| Trinidad and Tobago | 1 |
Observations From Members