LEO Network

Background Articles

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

List Map Stats

2132 Posts

Natural Environment

Ocean / Sea
 
 461
Land
 
 397
Weather
 
 314
Fish
 
 291
Surface Waters / Wetlands
 
 267
Land Mammals
 
 255
Marine Mammals
 
 207
Birds
 
 161
Plants / Kelp
 
 160
Invertebrates
 
 152
Air
 
 84
Insects
 
 65
Microbes
 
 63
Groundwater
 
 41
Atmosphere
 
 35
Arachnids
 
 32
Amphibians
 
 20
Reptiles
 
 18
Fungi
 
 11
Other
 
 7

Unusual or Unexpected Event

Death / Die-off / Decline
 
 364
Extreme Temperature
 
 303
Ice / Snow Change
 
 267
Unusual Range / Sighting
 
 170
Permafrost Change
 
 126
Pollution
 
 122
Extreme Precipitation
 
 112
Deformity / Disease / Injury
 
 104
Flooding / Draining
 
 99
Fire
 
 93
Unusual Size / Abundance
 
 90
Erosion
 
 87
Seasonal Timing
 
 84
Pathogen
 
 84
Drought
 
 68
Algal Bloom
 
 59
Landslide / Avalanche
 
 59
Extreme Wind
 
 53
Unusual Animal Behavior
 
 44
Parasite
 
 41
Infestation
 
 33
Physical or Chemical Change
 
 31
Debris / Trash
 
 28
Glacier Change
 
 23
Sea/Land Level Change
 
 23
Storm Surge
 
 22
Rain on Snow
 
 18
Eruption
 
 16
Earthquake
 
 15
Cyclone / Hurricane
 
 10
Sinkhole / Crater
 
 8
Thunderstorm
 
 7
Tsunami
 
 7
Unusual Variation
 
 4

Impact on Human Environment

Food Security
 
 351
Safety
 
 292
Human Health
 
 266
Economic Impact
 
 249
Cultural Impact
 
 222
Transportation
 
 208
Buildings
 
 196
Fisheries
 
 143
Harvest Change
 
 117
Sports / Recreation
 
 112
Energy
 
 105
Water Security
 
 93
Air Quality
 
 56
Sanitation
 
 54
Water Management
 
 51
Agriculture
 
 46
Livestock
 
 41
Displacement
 
 40
Communication
 
 38
Conflict
 
 37
TOURISM
 
 35
Pets
 
 32
Aquaculture
 
 24
Forestry
 
 23
Resilience
 
 15
Burial Site
 
 11
Relocation
 
 3
Radiation
 
 1

Year

2 1 2 1 2 2 3 2 4 4 7 3 13 18 49 170 349 130 179 94 395 280 82
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Month

184 119 152 149 140 165 153 165 142 126 149 148
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
 379
WINTER
 
 325
SPRING
 
 307
FALL
 
 287

Country

United States
 
 745
Canada
 
 169
Russia
 
 62
Norway
 
 42
Iceland
 
 28
Finland
 
 13
Svalbard and Jan Mayen
 
 13
Sweden
 
 12
Greenland
 
 11
United Kingdom
 
 7
Mongolia
 
 5
China
 
 4
Japan
 
 4
Mexico
 
 4
Australia
 
 3
Denmark
 
 3
Greece
 
 3
Spain
 
 3
Switzerland
 
 3
Antarctica
 
 2
Brazil
 
 2
Czech Republic
 
 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