Align with UNDRR HIPs

 Add `Hazard.classification` and `Classification.title`.
  - Add 'UNDRR-HIPS-2025' to `classification_scheme.csv`
  - Add codes to `hazard_type.csv`
  - Add codes to `hazard_process.csv`
  - Add codes to `IMT.csv`

Author: duncandewhurst

docs/about/changelog.md

@@ -42,6 +42,7 @@ This page lists changes to the Risk Data Library Standard.
   - `Event.footprint`
   - `Event_set.temporal`
   - `Event_set.spatial`
+- [#409](https://github.com/GFDRR/rdl-standard/pull/409) - Add `Hazard.classification` and `Classification.title`.
 
 ### Codelists
 
@@ -71,6 +72,11 @@ This page lists changes to the Risk Data Library Standard.
 - [#403](https://github.com/GFDRR/rdl-standard/pull/403) - Add 'index' to `quantity_kind.csv`.
 - [#404](https://github.com/GFDRR/rdl-standard/pull/404) - Add `climate_scenario.csv` as closed codelist.
 - [#397](https://github.com/GFDRR/rdl-standard/pull/397) - Add 'urban' to `spatial_scale.csv`.
+- [#409](https://github.com/GFDRR/rdl-standard/pull/409) - Align with UNDRR HIPs:
+  - Add 'UNDRR-HIPS-2025' to `classification_scheme.csv`
+  - Add codes to `hazard_type.csv`
+  - Add codes to `hazard_process.csv`
+  - Add codes to `IMT.csv`
 
 ### Normative documentation
 

schema/codelists/closed/hazard_type.csv

@@ -4,9 +4,13 @@ convective_storm,Convective Storm,"Convective storms or thunderstorms, are sever
 drought,Drought,"A drought is a period of abnormally dry weather characterised by a prolonged deficiency of precipitation below a certain threshold over a large area and a period longer than a month (WMO, 2020).",Meteorological and hydrological
 extreme_temperature,Extreme Temperature,"Temperature extremes including extreme heat and cold, referred to as heat waves and cold waves.",Meteorological and hydrological
 flood,Flood,"Inundation of water as a result of rainfall ponding on the surface and/or originating from river channels, includes pluvial flood and fluvial flood.",Meteorological and hydrological
-wildfire,Wildfire,"An unplanned or uncontrolled fire affecting natural, cultural, industrial and residential landscapes (adapted from FAO, 2010).",Meteorological and hydrological
+wildfire,Wildfire,"An unplanned or uncontrolled fire affecting natural, cultural, industrial and residential landscapes (adapted from FAO, 2010).",Environmental
 strong_wind,Strong Wind,"Storms in which high wind speeds and wind forces contribute to damage, including tropical storms and cyclone, extra-tropical cyclone, and tornado.",Meteorological and hydrological
-earthquake,Earthquake,"A sudden slip on a fault, and the resulting ground shaking and radiated seismic energy caused by the slip, volcanic or magmatic activity, or other sudden stress changes in the Earth (USGS, no date).",Geohazards
-landslide,Landslide,"The downslope movement of soil, rock and organic materials under the effects of gravity. Includes various sub-types of landslide including rockfall and mudflows.",Geohazards
-tsunami,Tsunami,"A series of travelling waves of extremely long length and period, usually generated by ground movement in earthquakes but also caused by landslides, volcanic eruption and meteorological pressure.",Geohazards
-volcanic,Volcanic,"Any potentially dangerous volcanic process that puts human lives, livelihoods or infrastructure at risk of harm. Several hazards may affect the area around the volcano, such as lava flows, pyroclastic flows, lahars, jökulhlaups and landslides or debris avalanches with tephra fall, including ashfall further afield (adapted from BGS, 2012).",Geohazards
+earthquake,Earthquake,"A sudden slip on a fault, and the resulting ground shaking and radiated seismic energy caused by the slip, volcanic or magmatic activity, or other sudden stress changes in the Earth (USGS, no date).",Geological
+landslide,Landslide,"The downslope movement of soil, rock and organic materials under the effects of gravity. Includes various sub-types of landslide including rockfall and mudflows.",Geological
+tsunami,Tsunami,"A series of travelling waves of extremely long length and period, usually generated by ground movement in earthquakes but also caused by landslides, volcanic eruption and meteorological pressure.",Geological
+volcanic,Volcanic,"Any potentially dangerous volcanic process that puts human lives, livelihoods or infrastructure at risk of harm. Several hazards may affect the area around the volcano, such as lava flows, pyroclastic flows, lahars, jokulhlaups and landslides or debris avalanches with tephra fall, including ashfall further afield (adapted from BGS, 2012).",Geological
+pest_infestation,Pest Infestation,"An insect pest infestation is a recently detected insect pest population, including an incursion, or a sudden significant increase of an established insect in an area leading to damage to plants in production fields, forests or natural habitats and causing substantial damage to productivity, biodiversity or natural resources (adapted from IPPC Secretariat, 2024).",Biological
+sea_level_rise,Sea Level Rise,"Sea-level change (sea-level rise / sea-level fall) refers to a change in the height of sea level, both globally and locally (relative sea-level change), at seasonal, annual, or longer time scales. It results from a change in ocean volume due to a change in the mass of water in the ocean (e.g. melting of glaciers and ice sheets), changes in ocean water density (e.g. expansion under warmer conditions), changes in the shape of ocean basins, changes in the Earth's gravitational and rotational fields, and local land subsidence or uplift (IPCC, 2019).",Environmental
+erosion,Erosion,"Erosion is the geological process in which earth materials-soil, rock, and sediments-are worn away, detached, and transported by natural forces such as water, wind, ice, and gravity.",Geological
+dust_sand_storm,Dust and Sand Storm,"A dust storm is an ensemble of particles of dust or sand energetically lifted to great heights by a strong and turbulent wind (WMO, 2017).",Meteorological and hydrological