LEO Network

Background Articles

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


199 Posts


Natural Environment

Ocean / Sea
 
44 22%
Land
 
35 18%
Fish
 
25 13%
Surface Waters / Wetlands
 
24 12%
Birds
 
22 11%
Land Mammals
 
19 10%
Marine Mammals
 
18 9%
Weather
 
16 8%
Groundwater
 
8 4%
Invertebrates
 
7 4%
Air
 
5 3%
Plants / Kelp
 
5 3%
Arachnids
 
3 2%
Atmosphere
 
3 2%
Insects
 
3 2%
Microbes
 
3 2%
Amphibians
 
1 <1%

Unusual or Unexpected Event

Death / Die-off / Decline
 
37 19%
Extreme Temperature
 
24 12%
Ice / Snow Change
 
23 12%
Permafrost Change
 
17 9%
Deformity / Disease / Injury
 
16 8%
Flooding / Draining
 
12 6%
Unusual Range / Sighting
 
12 6%
Pathogen
 
12 6%
Pollution
 
10 5%
Fire
 
9 5%
Unusual Animal Behavior
 
7 4%
Drought
 
7 4%
Extreme Precipitation
 
7 4%
Erosion
 
6 3%
Glacier Change
 
5 3%
Physical or Chemical Change
 
4 2%
Landslide / Avalanche
 
4 2%
Seasonal Timing
 
4 2%
Sea/Land Level Change
 
4 2%
Unusual Size / Abundance
 
3 2%
Algal Bloom
 
3 2%
Debris / Trash
 
3 2%
Rain on Snow
 
3 2%
Sinkhole / Crater
 
3 2%
Volcano
 
3 2%
Earthquake
 
2 1%
Extreme Wind
 
2 1%
Thunderstorm
 
2 1%
Infestation
 
1 <1%
Storm Surge
 
1 <1%
Cyclone / Hurricane
 
1 <1%
Tsunami
 
1 <1%

Impact on Human Environment

Food Security
 
36 18%
Human Health
 
28 14%
Safety
 
28 14%
Transportation
 
24 12%
Buildings
 
23 12%
Fisheries
 
16 8%
Cultural Impact
 
15 8%
Energy
 
13 7%
Economic Impact
 
12 6%
Sanitation
 
10 5%
Sports / Recreation
 
9 5%
Water Security
 
9 5%
Displacement
 
7 4%
Resilience
 
7 4%
Forestry
 
6 3%
Agriculture
 
5 3%
Harvest Change
 
4 2%
Livestock
 
4 2%
Air Quality
 
3 2%
Conflict
 
3 2%
Aquaculture
 
2 1%
Burial Site
 
2 1%
Water Management
 
2 1%
TOURISM
 
1 <1%

Year

155 44
 
 
2021 2022

Month

17 23 31 25 15 26 14 9 14 5 9 11
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

SPRING
 
64
WINTER
 
51
SUMMER
 
44
FALL
 
27

Country

United States
 
63
Canada
 
19
Russia
 
6
Iceland
 
4
Finland
 
2
Norway
 
2
Svalbard and Jan Mayen
 
2
United Kingdom
 
2
China
 
1
Estonia
 
1
Honduras
 
1
Japan
 
1
Pakistan
 
1
Saint Vincent and the Grenadines
 
1
Vietnam
 
1