Search our collection of background (non-event) articles from news media, science journals and other sources.
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Surface Waters / Wetlands | 2 | |
Air | 1 | |
Fish | 1 |
Physical or Chemical Change | 4 | |
Algal Bloom | 1 | |
Deformity / Disease / Injury | 1 | |
Death / Die-off / Decline | 1 | |
Erosion | 1 | |
Glacier Change | 1 | |
Permafrost Change | 1 | |
Ice / Snow Change | 1 |
3 | 1 |
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1 | 1 | 1 | 1 |
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