LEO Network

Background Articles

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


1040 Posts


Natural Environment

Ocean / Sea
 
238 23%
Fish
 
160 15%
Land
 
154 15%
Weather
 
151 15%
Surface Waters / Wetlands
 
136 13%
Land Mammals
 
121 12%
Marine Mammals
 
112 11%
Invertebrates
 
97 9%
Plants / Kelp
 
97 9%
Birds
 
78 8%
Microbes
 
53 5%
Insects
 
48 5%
Air
 
45 4%
Arachnids
 
24 2%
Reptiles
 
15 1%
Amphibians
 
14 1%
Groundwater
 
11 1%
Fungi
 
7 <1%
Other
 
7 <1%
Atmosphere
 
5 <1%

Unusual or Unexpected Event

Death / Die-off / Decline
 
184 18%
Extreme Temperature
 
181 17%
Ice / Snow Change
 
162 16%
Unusual Range / Sighting
 
94 9%
Seasonal Timing
 
58 6%
Pollution
 
57 5%
Erosion
 
55 5%
Unusual Size / Abundance
 
47 5%
Permafrost Change
 
45 4%
Wildfires
 
45 4%
Drought
 
44 4%
Flooding / Draining
 
43 4%
Extreme Precipitation
 
42 4%
Algal Bloom
 
39 4%
Deformity / Disease / Injury
 
38 4%
Pathogen
 
34 3%
Landslide / Avalanche
 
27 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%
Storm Surge
 
6 <1%
Glacier Change
 
4 <1%
Thunderstorm
 
4 <1%
Cyclone / Hurricane
 
4 <1%
Tsunami
 
4 <1%
Volcano
 
3 <1%
Physical or Chemical Change
 
2 <1%
Sinkhole / Crater
 
2 <1%

Impact on Human Environment

Food Security
 
153 15%
Human Health
 
153 15%
Buildings
 
118 11%
Economic Impact
 
112 11%
Transportation
 
87 8%
Cultural Impact
 
80 8%
Sports / Recreation
 
71 7%
Safety
 
62 6%
Water Security
 
53 5%
Fisheries
 
51 5%
Energy
 
41 4%
Agriculture
 
35 3%
Sanitation
 
32 3%
Livestock
 
28 3%
Air Quality
 
23 2%
Harvest Change
 
23 2%
Displacement
 
21 2%
Aquaculture
 
19 2%
Resilience
 
15 1%
Forestry
 
12 1%
Pets
 
12 1%
Burial Site
 
8 <1%
Conflict
 
2 <1%

Year

2 1 1 1 2 1 2 2 4 4 7 2 11 17 47 167 345 127 163 4 1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2002 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2107

Month

80 47 62 66 68 86 79 114 95 62 77 75
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SUMMER
 
279
FALL
 
234
WINTER
 
202
SPRING
 
196

Country

United States
 
291
Canada
 
93
Russia
 
32
Norway
 
19
Iceland
 
16
Finland
 
8
Greenland
 
8
Svalbard and Jan Mayen
 
6
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