LEO Network

Background Articles

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


1136 Posts


Natural Environment

Ocean / Sea
 
257 23%
Fish
 
171 15%
Land
 
167 15%
Weather
 
156 14%
Surface Waters / Wetlands
 
148 13%
Land Mammals
 
128 11%
Marine Mammals
 
123 11%
Invertebrates
 
101 9%
Plants / Kelp
 
99 9%
Birds
 
94 8%
Microbes
 
55 5%
Air
 
48 4%
Insects
 
48 4%
Arachnids
 
25 2%
Groundwater
 
15 1%
Reptiles
 
15 1%
Amphibians
 
14 1%
Fungi
 
7 <1%
Other
 
7 <1%
Atmosphere
 
6 <1%

Unusual or Unexpected Event

Death / Die-off / Decline
 
208 18%
Extreme Temperature
 
190 17%
Ice / Snow Change
 
167 15%
Unusual Range / Sighting
 
98 9%
Pollution
 
63 6%
Seasonal Timing
 
60 5%
Erosion
 
57 5%
Permafrost Change
 
56 5%
Unusual Size / Abundance
 
50 4%
Deformity / Disease / Injury
 
49 4%
Fire
 
49 4%
Drought
 
47 4%
Flooding / Draining
 
45 4%
Pathogen
 
45 4%
Extreme Precipitation
 
44 4%
Algal Bloom
 
41 4%
Landslide / Avalanche
 
28 2%
Unusual Animal Behavior
 
26 2%
Infestation
 
24 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%
Physical or Chemical Change
 
5 <1%
Cyclone / Hurricane
 
5 <1%
Thunderstorm
 
4 <1%
Tsunami
 
4 <1%
Sinkhole / Crater
 
3 <1%
Volcano
 
3 <1%

Impact on Human Environment

Food Security
 
178 16%
Human Health
 
166 15%
Buildings
 
124 11%
Economic Impact
 
119 10%
Transportation
 
92 8%
Cultural Impact
 
88 8%
Safety
 
77 7%
Sports / Recreation
 
75 7%
Fisheries
 
60 5%
Water Security
 
57 5%
Energy
 
44 4%
Agriculture
 
36 3%
Sanitation
 
33 3%
Livestock
 
29 3%
Air Quality
 
28 2%
Harvest Change
 
28 2%
Displacement
 
23 2%
Aquaculture
 
19 2%
Resilience
 
15 1%
Forestry
 
13 1%
Pets
 
12 1%
Burial Site
 
9 <1%
Conflict
 
4 <1%
Water Management
 
2 <1%
TOURISM
 
1 <1%

Year

2 1 1 1 2 1 2 2 4 4 7 2 11 17 48 167 346 127 172 38
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month

86 56 68 70 72 96 81 114 97 62 78 75
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
290
FALL
 
236
WINTER
 
217
SPRING
 
204

Country

United States
 
329
Canada
 
103
Russia
 
34
Norway
 
20
Iceland
 
17
Finland
 
8
Greenland
 
8
Svalbard and Jan Mayen
 
8
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