LEO Network

Background Articles

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


191 Posts


Natural Environment

Land
 
61
Fish
 
59
Ocean / Sea
 
51
Land Mammals
 
36
Surface Waters / Wetlands
 
36
Marine Mammals
 
25
Weather
 
25
Plants / Kelp
 
18
Birds
 
15
Invertebrates
 
12
Insects
 
8
Arachnids
 
6
Groundwater
 
6
Microbes
 
6
Air
 
5
Amphibians
 
5
Atmosphere
 
4
Reptiles
 
4
Fungi
 
3

Unusual or Unexpected Event

Death / Die-off / Decline
 
66
Ice / Snow Change
 
35
Extreme Temperature
 
31
Erosion
 
20
Seasonal Timing
 
16
Permafrost Change
 
12
Drought
 
10
Unusual Range / Sighting
 
10
Deformity / Disease / Injury
 
8
Flooding / Draining
 
8
Pollution
 
8
Fire
 
8
Unusual Size / Abundance
 
7
Extreme Wind
 
5
Parasite
 
5
Sea/Land Level Change
 
5
Storm Surge
 
5
Extreme Precipitation
 
4
Landslide / Avalanche
 
3
Pathogen
 
3
Algal Bloom
 
2
Unusual Animal Behavior
 
2
Earthquake
 
2
Infestation
 
2
Physical or Chemical Change
 
1
Debris / Trash
 
1
Glacier Change
 
1
Rain on Snow
 
1
Sinkhole / Crater
 
1
Thunderstorm
 
1

Impact on Human Environment

Cultural Impact
 
191
Food Security
 
101
Economic Impact
 
73
Harvest Change
 
52
Human Health
 
32
Fisheries
 
31
Energy
 
24
Sports / Recreation
 
24
Buildings
 
21
Transportation
 
21
Conflict
 
15
Safety
 
15
Water Security
 
13
Livestock
 
11
Communication
 
9
Burial Site
 
8
Forestry
 
6
TOURISM
 
6
Air Quality
 
5
Agriculture
 
5
Displacement
 
5
Water Management
 
5
Aquaculture
 
4
Pets
 
4
Sanitation
 
4
Resilience
 
2

Year

1 1 1 1 2 1 6 9 29 6 13 10 49 35
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1997 2007 2009 2013 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Month

21 8 16 20 16 16 6 11 10 10 18 12
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SPRING
 
28
FALL
 
26
WINTER
 
26
SUMMER
 
23

Country

United States
 
74
Canada
 
18
Norway
 
9
Russia
 
4
Iceland
 
2
Japan
 
2
Svalbard and Jan Mayen
 
2
Sweden
 
2
Afghanistan
 
1
Greenland
 
1
Mongolia
 
1
Nigeria
 
1
Solomon Islands
 
1