Search our collection of background (non-event) articles from news media, science journals and other sources.
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| WINTER | 59 | |
| SPRING | 48 | |
| SUMMER | 40 | |
| FALL | 32 |
| United States | 70 | |
| Canada | 20 | |
| Norway | 9 | |
| Svalbard and Jan Mayen | 6 | |
| Finland | 3 | |
| Greenland | 3 | |
| Iceland | 3 | |
| Russia | 3 | |
| Sweden | 2 | |
| Antarctica | 1 | |
| Guatemala | 1 | |
| Nepal | 1 | |
| Spain | 1 | |
| Switzerland | 1 |
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