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	Natural Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025
Weather
Land
Land Mammals
Surface Waters / Wetlands
Atmosphere
	Unusual or Unexpected Event
	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025
Extreme Temperature
Ice / Snow Change
Pathogen
Rain on Snow
Earthquake
Sinkhole / Crater
Deformity / Disease / Injury
Physical or Chemical Change
Thunderstorm
Fire
Landslide / Avalanche
Unusual Size / Abundance
Extreme Precipitation
Seasonal Timing
Drought
Glacier Change
	Impact on Human Environment
	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025
Safety
Sports / Recreation
Economic Impact
Human Health
Transportation
Food Security
Buildings
Relocation
Air Quality
Forestry
Cultural Impact