LEO Network

Background Articles

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


253 Posts


Natural Environment

Ocean / Sea
 
253 100%
Fish
 
81 32%
Invertebrates
 
74 29%
Marine Mammals
 
57 23%
Land
 
40 16%
Weather
 
34 13%
Microbes
 
33 13%
Birds
 
31 12%
Plants / Kelp
 
29 11%
Surface Waters / Wetlands
 
29 11%
Land Mammals
 
16 6%
Air
 
15 6%
Insects
 
9 4%
Reptiles
 
8 3%
Arachnids
 
6 2%
Amphibians
 
6 2%
Fungi
 
5 2%
Groundwater
 
3 1%
Other
 
3 1%
Atmosphere
 
1 <1%

Unusual or Unexpected Event

Death / Die-off / Decline
 
76 30%
Extreme Temperature
 
62 25%
Ice / Snow Change
 
48 19%
Unusual Range / Sighting
 
33 13%
Algal Bloom
 
27 11%
Unusual Size / Abundance
 
25 10%
Pollution
 
23 9%
Deformity / Disease / Injury
 
16 6%
Seasonal Timing
 
15 6%
Erosion
 
14 6%
Flooding / Draining
 
14 6%
Infestation
 
9 4%
Unusual Animal Behavior
 
8 3%
Sea/Land Level Change
 
8 3%
Extreme Precipitation
 
7 3%
Extreme Wind
 
5 2%
Drought
 
4 2%
Storm Surge
 
4 2%
Pathogen
 
4 2%
Glacier Change
 
3 1%
Permafrost Change
 
3 1%
Cyclone / Hurricane
 
3 1%
Tsunami
 
3 1%
Fire
 
3 1%
Debris / Trash
 
2 <1%
Landslide / Avalanche
 
2 <1%
Physical or Chemical Change
 
1 <1%
Earthquake
 
1 <1%
Sinkhole / Crater
 
1 <1%

Impact on Human Environment

Economic Impact
 
46 18%
Food Security
 
41 16%
Human Health
 
37 15%
Buildings
 
35 14%
Fisheries
 
32 13%
Transportation
 
29 11%
Cultural Impact
 
22 9%
Sports / Recreation
 
20 8%
Aquaculture
 
16 6%
Safety
 
10 4%
Sanitation
 
7 3%
Harvest Change
 
6 2%
Agriculture
 
5 2%
Energy
 
5 2%
Displacement
 
4 2%
Water Security
 
4 2%
Air Quality
 
3 1%
Burial Site
 
2 <1%
Forestry
 
2 <1%
Livestock
 
2 <1%
Pets
 
1 <1%
Resilience
 
1 <1%

Year

1 1 1 1 1 1 4 4 6 13 45 78 25 39 6
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2004 2007 2008 2010 2011 2012 2013 2015 2016 2017 2018 2019 2020 2021 2022

Month

18 18 18 15 13 24 19 18 22 20 21 20
 
 
 
 
 
 
 
 
 
 
 
 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Season

FALL
 
63
SUMMER
 
61
WINTER
 
56
SPRING
 
46

Country

United States
 
53
Canada
 
13
Norway
 
6
Greenland
 
4
Russia
 
4
Mexico
 
3
Japan
 
2
Nigeria
 
2
Svalbard and Jan Mayen
 
2
Australia
 
1
Cocos Islands
 
1
Ecuador
 
1
Greece
 
1
Iceland
 
1
India
 
1
Solomon Islands
 
1
Vietnam
 
1