LEO Network

Background Articles

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


2070 Posts


Natural Environment

Ocean / Sea
 
450
Land
 
383
Weather
 
302
Fish
 
281
Surface Waters / Wetlands
 
260
Land Mammals
 
249
Marine Mammals
 
203
Birds
 
159
Plants / Kelp
 
157
Invertebrates
 
152
Air
 
82
Insects
 
64
Microbes
 
63
Groundwater
 
41
Arachnids
 
32
Atmosphere
 
32
Reptiles
 
18
Amphibians
 
17
Fungi
 
11
Other
 
7

Unusual or Unexpected Event

Death / Die-off / Decline
 
357
Extreme Temperature
 
292
Ice / Snow Change
 
257
Unusual Range / Sighting
 
166
Permafrost Change
 
124
Pollution
 
118
Extreme Precipitation
 
109
Deformity / Disease / Injury
 
103
Flooding / Draining
 
98
Fire
 
92
Unusual Size / Abundance
 
90
Erosion
 
86
Pathogen
 
83
Seasonal Timing
 
81
Drought
 
65
Algal Bloom
 
59
Landslide / Avalanche
 
57
Extreme Wind
 
51
Unusual Animal Behavior
 
43
Parasite
 
41
Infestation
 
33
Debris / Trash
 
28
Physical or Chemical Change
 
25
Storm Surge
 
22
Glacier Change
 
21
Sea/Land Level Change
 
21
Rain on Snow
 
18
Earthquake
 
14
Eruption
 
13
Cyclone / Hurricane
 
9
Sinkhole / Crater
 
7
Thunderstorm
 
7
Tsunami
 
7
Unusual Variation
 
2

Impact on Human Environment

Food Security
 
344
Safety
 
283
Human Health
 
265
Economic Impact
 
245
Cultural Impact
 
213
Transportation
 
203
Buildings
 
194
Fisheries
 
140
Harvest Change
 
117
Sports / Recreation
 
109
Energy
 
104
Water Security
 
91
Air Quality
 
55
Sanitation
 
54
Water Management
 
47
Agriculture
 
45
Livestock
 
40
Communication
 
38
Displacement
 
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 49 170 349 129 178 93 395 275 27
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Month

174 99 128 148 139 163 153 162 142 125 149 147
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
378
WINTER
 
314
SPRING
 
296
FALL
 
287

Country

United States
 
715
Canada
 
165
Russia
 
60
Norway
 
39
Iceland
 
27
Svalbard and Jan Mayen
 
12
Sweden
 
12
Finland
 
11
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
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
India
 
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