Update constants.py

Update the selected data sources - dead links and inaccurate names resolved

constants.py

@@ -4,10 +4,10 @@ CATEGORIES = {
 - National Low Income Housing Coalition: [Visit Site](https://nlihc.org)
 - National Alliance to End Homelessness: [Visit Site](https://endhomelessness.org)
 - National Coalition for the Homeless: [Visit Site](https://nationalhomeless.org)
-- Department of Housing and Urban Development: [Visit Site](https://portal.hud.gov/hudportal/HUD)
+- Department of Housing and Urban Development: [Visit Site](https://hud.gov)
 """,
     "AGING": """
-- Administration on Aging/Data Resources: [Visit Site](https://aoa.acl.gov/Aging_Statistics/index.asp)
+- Administration for Community Living Data and Research: [Visit Site](https://acl.gov/aging-and-disability-in-america/data-and-research)
 """,
     "ARTS": """
 - The Research Center for Arts and Culture: [Visit Site](https://artsandcultureresearch.org)
@@ -22,41 +22,40 @@ CATEGORIES = {
 - National Center for Education Statistics: [Visit Site](https://nces.ed.gov)
 """,
     "ENERGY ASSISTANCE": """
-- Low Income Energy Assistance Program: [Visit Site](https://acf.hhs.gov/programs/ocs/liheap)
+- Low Income Home Energy Assistance Program: [Visit Site](https://liheapch.acf.hhs.gov)
 """,
     "ENVIRONMENT": """
-- Stanford Geospacial Center (GIS data online): [Visit Site](https://library.stanford.edu/research/stanford-geospatial-center/data)
+- Stanford Geospacial Center (GIS data online): [Visit Site](https://library.stanford.edu/libraries/stanford-geospatial-center)
 - Environmental Protection Agency: [Visit Site](https://epa.gov)
 """,
     "HEALTH": """
-- Center for Disease Control: [Visit Site](https://cdc.gov)
-- State Public Health Data/Trust for America’s Health: [Visit Site](https://healthyamericans.org/states)
+- Center for Disease Control and Prevention: [Visit Site](https://cdc.gov)
+- Trust for America’s Health – States in Detail: [Visit Site](https://www.tfah.org/states/)
 """,
     "HUNGER": """
-- Crop Walk: [Visit Site](https://crophungerwalk.org)
+- Action Against Hunger: [Visit Site](https://actionagainsthunger.org/the-hunger-crisis/world-hunger-facts)
 - Bread for the World: [Visit Site](https://bread.org)
 """,
     "INTERNATIONAL": """
-- United Nations Statistics Division: [Visit Site](https://unstats.un.org/unsd/databases.htm)
+- United Nations Statistics Division: [Visit Site](https://unstats.un.org/UNSDWebsite)
 """,
     "LIVING WAGE": """
-- The Living Wage Resource Center: [Visit Site](https://livingwagecampaign.org)
 - Economic Policy Institute: [Visit Site](https://epi.org)
+- Global Living Wage Coalition: [Visit Site](https://www.globallivingwage.org)
 - Bureau of Labor Statistics: [Visit Site](https://bls.gov)
 """,
     "POVERTY": """
 - U.S. Department of Health and Human Services Poverty Guidelines: [Visit Site](https://aspe.hhs.gov/poverty)
-- Center of Urban Poverty: [Visit Site](https://povertycenter.case.edu)
-- National Poverty Center: [Visit Site](https://npc.umich.edu)
+- Center on Poverty and Community Development: [Visit Site](https://case.edu/socialwork/povertycenter)
+- National Poverty Center: [Visit Site](https://fordschool.umich.edu/research-centers-departments/national-poverty-center)
 """,
     "UNITED STATES": """
 - IssueLab: [Visit Site](https://issuelab.org)
-- US Census: [Visit Site](https://census.gov)
-- FedStats: [Visit Site](https://fedstats.sites.usa.gov)
+- US Census Bureau: [Visit Site](https://census.gov)
 - The Urban Institute: [Visit Site](https://urban.org)
 """,
     "YOUTH": """
-- Youth Risk Behavioral Survey: [Visit Site](https://cdc.gov/Features/YRBS)
+- Youth Risk Behavioral Surveillance System: [Visit Site](https://www.cdc.gov/yrbs/index.html)
 """
 }