LEO Network

Background Articles

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

List Map Stats

2271 Posts

Natural Environment

Ocean / Sea
 
 479
Land
 
 425
Weather
 
 346
Fish
 
 312
Surface Waters / Wetlands
 
 291
Land Mammals
 
 268
Marine Mammals
 
 218
Plants / Kelp
 
 173
Birds
 
 172
Invertebrates
 
 158
Air
 
 87
Insects
 
 68
Microbes
 
 68
Atmosphere
 
 45
Groundwater
 
 43
Arachnids
 
 35
Amphibians
 
 20
Reptiles
 
 18
Fungi
 
 11
Other
 
 7

Unusual or Unexpected Event

Death / Die-off / Decline
 
 382
Extreme Temperature
 
 312
Ice / Snow Change
 
 276
Unusual Range / Sighting
 
 185
Permafrost Change
 
 135
Pollution
 
 133
Flooding / Draining
 
 120
Extreme Precipitation
 
 115
Deformity / Disease / Injury
 
 106
Fire
 
 99
Unusual Size / Abundance
 
 98
Seasonal Timing
 
 96
Erosion
 
 92
Pathogen
 
 90
Drought
 
 72
Extreme Wind
 
 65
Landslide / Avalanche
 
 64
Algal Bloom
 
 60
Unusual Animal Behavior
 
 47
Parasite
 
 42
Physical or Chemical Change
 
 39
Infestation
 
 38
Storm Surge
 
 32
Debris / Trash
 
 28
Glacier Change
 
 28
Sea/Land Level Change
 
 24
Rain on Snow
 
 18
Earthquake
 
 17
Eruption
 
 17
Cyclone / Hurricane
 
 15
Thunderstorm
 
 13
Tsunami
 
 9
Sinkhole / Crater
 
 8
Unusual Variation
 
 4
Unusual Smell or Taste
 
 1

Impact on Human Environment

Food Security
 
 368
Safety
 
 340
Human Health
 
 282
Economic Impact
 
 265
Cultural Impact
 
 234
Transportation
 
 231
Buildings
 
 214
Fisheries
 
 155
Harvest Change
 
 123
Sports / Recreation
 
 121
Energy
 
 115
Water Security
 
 101
Water Management
 
 67
Sanitation
 
 63
Air Quality
 
 60
Displacement
 
 51
Agriculture
 
 50
Communication
 
 46
Livestock
 
 41
TOURISM
 
 41
Conflict
 
 39
Pets
 
 34
Aquaculture
 
 26
Forestry
 
 24
Resilience
 
 15
Burial Site
 
 13
Relocation
 
 7
Radiation
 
 1

Year

1 2 1 2 1 2 2 3 2 4 4 7 3 13 19 49 171 349 130 180 94 399 291 200
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1992 1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Month

189 119 160 171 159 177 170 180 147 150 154 153
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
 394
WINTER
 
 333
SPRING
 
 327
FALL
 
 303

Country

United States
 
 807
Canada
 
 177
Russia
 
 69
Norway
 
 48
Iceland
 
 29
Finland
 
 17
Svalbard and Jan Mayen
 
 15
Sweden
 
 13
Greenland
 
 12
United Kingdom
 
 8
Mongolia
 
 5
China
 
 4
Japan
 
 4
Mexico
 
 4
Australia
 
 3
Denmark
 
 3
Greece
 
 3
India
 
 3
Spain
 
 3
Switzerland
 
 3
Antarctica
 
 2
Brazil
 
 2
Czech Republic
 
 2
France
 
 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
Iran
 
 1
Italy
 
 1
Malta
 
 1
Nepal
 
 1
Pakistan
 
 1
Poland
 
 1
Puerto Rico
 
 1
Romania
 
 1
Saint Vincent and the Grenadines
 
 1
Samoa
 
 1
Solomon Islands
 
 1
Trinidad and Tobago
 
 1
Uzbekistan
 
 1
Vietnam
 
 1