LEO Network

Background Articles

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


1982 Posts


Natural Environment

2010 2011 2012 2013 2014 2015
Ocean / Sea            
Invertebrates            
Fish            
Birds            
Land Mammals            
Marine Mammals            
Land            
Weather            
Other            
Microbes            
Plants / Kelp            
Insects            
Air            
Arachnids            
Amphibians            
Reptiles            

Unusual or Unexpected Event

2010 2011 2012 2013 2014 2015
Unusual Range / Sighting            
Death / Die-off / Decline            
Extreme Temperature            
Deformity / Disease / Injury            
Parasite            
Seasonal Timing            
Ice / Snow Change            
Pathogen            
Erosion            
Algal Bloom            
Pollution            
Unusual Size / Abundance            
Drought            

Impact on Human Environment

2010 2011 2012 2013 2014 2015
Human Health            
Cultural Impact            
Food Security            
Sports / Recreation            
Economic Impact            
Burial Site            
Buildings            
Water Security            
Sanitation            
Transportation            
Harvest Change            
Fisheries            
Livestock            
Air Quality