LEO Network

Background Articles

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

List Map Stats

2097 Posts

Natural Environment

Ocean / Sea
 
 456
Land
 
 388
Weather
 
 310
Fish
 
 284
Surface Waters / Wetlands
 
 265
Land Mammals
 
 251
Marine Mammals
 
 205
Birds
 
 161
Plants / Kelp
 
 158
Invertebrates
 
 152
Air
 
 84
Insects
 
 64
Microbes
 
 63
Groundwater
 
 41
Atmosphere
 
 33
Arachnids
 
 32
Amphibians
 
 19
Reptiles
 
 18
Fungi
 
 11
Other
 
 7

Unusual or Unexpected Event

Death / Die-off / Decline
 
 358
Extreme Temperature
 
 299
Ice / Snow Change
 
 263
Unusual Range / Sighting
 
 168
Permafrost Change
 
 124
Pollution
 
 121
Extreme Precipitation
 
 111
Deformity / Disease / Injury
 
 104
Flooding / Draining
 
 99
Fire
 
 93
Unusual Size / Abundance
 
 90
Erosion
 
 86
Pathogen
 
 84
Seasonal Timing
 
 83
Drought
 
 67
Algal Bloom
 
 59
Landslide / Avalanche
 
 57
Extreme Wind
 
 53
Unusual Animal Behavior
 
 44
Parasite
 
 41
Infestation
 
 33
Physical or Chemical Change
 
 28
Debris / Trash
 
 28
Storm Surge
 
 22
Glacier Change
 
 21
Sea/Land Level Change
 
 21
Rain on Snow
 
 18
Earthquake
 
 15
Eruption
 
 13
Cyclone / Hurricane
 
 10
Sinkhole / Crater
 
 7
Thunderstorm
 
 7
Tsunami
 
 7
Unusual Variation
 
 3

Impact on Human Environment

Food Security
 
 345
Safety
 
 286
Human Health
 
 266
Economic Impact
 
 245
Cultural Impact
 
 215
Transportation
 
 204
Buildings
 
 194
Fisheries
 
 142
Harvest Change
 
 117
Sports / Recreation
 
 110
Energy
 
 104
Water Security
 
 92
Air Quality
 
 56
Sanitation
 
 54
Water Management
 
 48
Agriculture
 
 46
Livestock
 
 40
Displacement
 
 39
Communication
 
 38
Conflict
 
 36
TOURISM
 
 35
Pets
 
 32
Aquaculture
 
 24
Forestry
 
 22
Resilience
 
 15
Burial Site
 
 10
Relocation
 
 3
Radiation
 
 1

Year

2 1 2 1 2 2 3 2 4 4 7 3 13 18 49 170 349 130 179 94 395 277 51
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Month

177 108 139 149 140 164 153 163 142 126 149 148
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
 378
WINTER
 
 322
SPRING
 
 302
FALL
 
 287

Country

United States
 
 729
Canada
 
 166
Russia
 
 60
Norway
 
 41
Iceland
 
 28
Svalbard and Jan Mayen
 
 13
Finland
 
 12
Sweden
 
 12
Greenland
 
 11
United Kingdom
 
 7
Mongolia
 
 5
China
 
 4
Japan
 
 4
Mexico
 
 4
Australia
 
 3
Greece
 
 3
Spain
 
 3
Switzerland
 
 3
Antarctica
 
 2
Brazil
 
 2
Czech Republic
 
 2
Denmark
 
 2
France
 
 2
India
 
 2
Ireland
 
 2
Nigeria
 
 2
Ukraine
 
 2
Afghanistan
 
 1
Cambodia
 
 1
Cape Verde
 
 1
Cocos Islands
 
 1
Ecuador
 
 1
Estonia
 
 1
Faroe Islands
 
 1
French Polynesia
 
 1
Guatemala
 
 1
Honduras
 
 1
Italy
 
 1
Nepal
 
 1
Pakistan
 
 1
Poland
 
 1
Puerto Rico
 
 1
Romania
 
 1
Saint Vincent and the Grenadines
 
 1
Solomon Islands
 
 1
Trinidad and Tobago
 
 1
Uzbekistan
 
 1
Vietnam
 
 1