LEO Network

Background Articles

Search our collection of background (non-event) articles from news media, science journals and other sources.


721 Posts


Natural Environment

2021 2022 2023
Ocean / Sea      
Land      
Surface Waters / Wetlands      
Weather      
Land Mammals      
Fish      
Birds      
Marine Mammals      
Air      
Plants / Kelp      
Invertebrates      
Groundwater      
Atmosphere      
Insects      
Arachnids      
Fungi      

Unusual or Unexpected Event

2021 2022 2023
Death / Die-off / Decline      
Extreme Temperature      
Ice / Snow Change      
Permafrost Change      
Deformity / Disease / Injury      
Unusual Range / Sighting      
Extreme Precipitation      
Pollution      
Flooding / Draining      
Extreme Wind      
Unusual Animal Behavior      
Glacier Change      
Drought      
Erosion      
Seasonal Timing      
Algal Bloom      
Physical or Chemical Change      
Fire      
Debris / Trash      
Storm Surge      
Pathogen      
Rain on Snow      
Unusual Size / Abundance      
Landslide / Avalanche      
Tsunami      
Sea/Land Level Change      
Sinkhole / Crater      
Infestation      
Eruption      
Earthquake      
Parasite      
Cyclone / Hurricane      
Thunderstorm      

Impact on Human Environment

2021 2022 2023
Safety      
Food Security      
Human Health      
Transportation      
Cultural Impact      
Harvest Change      
Economic Impact      
Fisheries      
Buildings      
Energy      
Water Security      
Sanitation      
Sports / Recreation      
Water Management      
Conflict      
Communication      
Resilience      
Livestock      
TOURISM      
Agriculture      
Aquaculture      
Displacement      
Forestry      
Burial Site      
Air Quality