LEO Network

Background Articles

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


754 Posts


Natural Environment

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

Unusual or Unexpected Event

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

Impact on Human Environment

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