LEO Network

Background Articles

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

List Map Stats

2157 Posts

Natural Environment

Ocean / Sea
 
 465
Land
 
 403
Weather
 
 321
Fish
 
 293
Surface Waters / Wetlands
 
 270
Land Mammals
 
 258
Marine Mammals
 
 208
Plants / Kelp
 
 163
Birds
 
 162
Invertebrates
 
 152
Air
 
 84
Insects
 
 66
Microbes
 
 63
Groundwater
 
 41
Atmosphere
 
 37
Arachnids
 
 32
Amphibians
 
 20
Reptiles
 
 18
Fungi
 
 11
Other
 
 7

Unusual or Unexpected Event

Death / Die-off / Decline
 
 365
Extreme Temperature
 
 307
Ice / Snow Change
 
 272
Unusual Range / Sighting
 
 171
Permafrost Change
 
 126
Pollution
 
 125
Extreme Precipitation
 
 112
Deformity / Disease / Injury
 
 104
Flooding / Draining
 
 103
Fire
 
 94
Unusual Size / Abundance
 
 90
Seasonal Timing
 
 89
Erosion
 
 88
Pathogen
 
 84
Drought
 
 68
Algal Bloom
 
 59
Landslide / Avalanche
 
 59
Extreme Wind
 
 55
Unusual Animal Behavior
 
 45
Parasite
 
 41
Infestation
 
 34
Physical or Chemical Change
 
 31
Debris / Trash
 
 28
Glacier Change
 
 23
Sea/Land Level Change
 
 23
Storm Surge
 
 22
Rain on Snow
 
 18
Eruption
 
 17
Earthquake
 
 16
Cyclone / Hurricane
 
 10
Thunderstorm
 
 9
Sinkhole / Crater
 
 8
Tsunami
 
 7
Unusual Variation
 
 4

Impact on Human Environment

Food Security
 
 351
Safety
 
 300
Human Health
 
 266
Economic Impact
 
 252
Cultural Impact
 
 222
Transportation
 
 210
Buildings
 
 197
Fisheries
 
 145
Harvest Change
 
 117
Sports / Recreation
 
 115
Energy
 
 106
Water Security
 
 93
Air Quality
 
 56
Sanitation
 
 54
Water Management
 
 54
Agriculture
 
 46
Displacement
 
 41
Livestock
 
 41
Communication
 
 38
Conflict
 
 37
TOURISM
 
 37
Pets
 
 32
Aquaculture
 
 24
Forestry
 
 24
Resilience
 
 15
Burial Site
 
 12
Relocation
 
 4
Radiation
 
 1

Year

1 2 1 2 1 2 2 3 2 4 4 7 3 13 18 49 170 349 130 179 94 396 285 100
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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

188 119 159 158 140 166 154 165 142 128 149 149
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
 383
WINTER
 
 328
SPRING
 
 314
FALL
 
 290

Country

United States
 
 755
Canada
 
 170
Russia
 
 63
Norway
 
 43
Iceland
 
 28
Svalbard and Jan Mayen
 
 15
Finland
 
 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
Samoa
 
 1
Solomon Islands
 
 1
Trinidad and Tobago
 
 1
Uzbekistan
 
 1
Vietnam
 
 1