LEO Network

Background Articles

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


1107 Posts


Natural Environment

Ocean / Sea
 
253 23%
Fish
 
168 15%
Land
 
162 15%
Weather
 
155 14%
Surface Waters / Wetlands
 
143 13%
Land Mammals
 
128 12%
Marine Mammals
 
119 11%
Invertebrates
 
100 9%
Plants / Kelp
 
97 9%
Birds
 
87 8%
Microbes
 
54 5%
Insects
 
48 4%
Air
 
47 4%
Arachnids
 
24 2%
Reptiles
 
15 1%
Amphibians
 
14 1%
Groundwater
 
13 1%
Fungi
 
7 <1%
Other
 
7 <1%
Atmosphere
 
6 <1%

Unusual or Unexpected Event

Death / Die-off / Decline
 
197 18%
Extreme Temperature
 
189 17%
Ice / Snow Change
 
166 15%
Unusual Range / Sighting
 
97 9%
Pollution
 
60 5%
Seasonal Timing
 
59 5%
Erosion
 
57 5%
Permafrost Change
 
54 5%
Unusual Size / Abundance
 
50 5%
Drought
 
47 4%
Fire
 
46 4%
Extreme Precipitation
 
44 4%
Flooding / Draining
 
44 4%
Pathogen
 
43 4%
Deformity / Disease / Injury
 
42 4%
Algal Bloom
 
40 4%
Landslide / Avalanche
 
28 3%
Infestation
 
24 2%
Unusual Animal Behavior
 
23 2%
Extreme Wind
 
11 <1%
Sea/Land Level Change
 
10 <1%
Rain on Snow
 
9 <1%
Earthquake
 
8 <1%
Debris / Trash
 
6 <1%
Glacier Change
 
6 <1%
Storm Surge
 
6 <1%
Cyclone / Hurricane
 
5 <1%
Physical or Chemical Change
 
4 <1%
Thunderstorm
 
4 <1%
Tsunami
 
4 <1%
Sinkhole / Crater
 
3 <1%
Volcano
 
3 <1%

Impact on Human Environment

Food Security
 
168 15%
Human Health
 
159 14%
Buildings
 
123 11%
Economic Impact
 
119 11%
Transportation
 
91 8%
Cultural Impact
 
86 8%
Sports / Recreation
 
73 7%
Safety
 
70 6%
Fisheries
 
57 5%
Water Security
 
56 5%
Energy
 
43 4%
Agriculture
 
36 3%
Sanitation
 
33 3%
Livestock
 
29 3%
Air Quality
 
27 2%
Harvest Change
 
25 2%
Displacement
 
22 2%
Aquaculture
 
19 2%
Resilience
 
15 1%
Forestry
 
13 1%
Pets
 
12 1%
Burial Site
 
8 <1%
Conflict
 
2 <1%
Water Management
 
2 <1%

Year

2 1 1 1 2 1 2 2 4 4 7 2 11 17 48 167 346 127 172 27
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month

86 56 68 69 71 87 81 114 97 62 78 75
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
282
FALL
 
236
WINTER
 
217
SPRING
 
205

Country

United States
 
316
Canada
 
100
Russia
 
33
Norway
 
20
Iceland
 
17
Finland
 
8
Greenland
 
8
Svalbard and Jan Mayen
 
7
Sweden
 
6
United Kingdom
 
6
Australia
 
3
Japan
 
3
Mexico
 
3
Mongolia
 
3
China
 
2
Czech Republic
 
2
Denmark
 
2
Greece
 
2
Nigeria
 
2
Ukraine
 
2
Afghanistan
 
1
Antarctica
 
1
Cape Verde
 
1
Cocos Islands
 
1
Ecuador
 
1
Estonia
 
1
France
 
1
Guatemala
 
1
Honduras
 
1
India
 
1
Nepal
 
1
Pakistan
 
1
Puerto Rico
 
1
Romania
 
1
Saint Vincent and the Grenadines
 
1
Solomon Islands
 
1
Spain
 
1
Switzerland
 
1
Vietnam
 
1