Earth Hour
E107992
Earth Hour is a global environmental movement in which individuals, businesses, and landmarks switch off non-essential lights for one hour to raise awareness about climate change and energy conservation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Earth Hour canonical | 4 |
| #EarthHour | 1 |
| Earth Hour (often in late March) | 1 |
| Earth Hour lights-off observance | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T921522 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Earth Hour Context triple: [World Wildlife Fund, notableCampaign, Earth Hour]
-
A.
Fridays for Future
Fridays for Future is a global youth-led climate strike movement that organizes regular school walkouts and protests to demand urgent action on the climate crisis.
-
B.
Move the World
"Move the World" is a song featured on the album *Darkness and Light*, likely reflecting the record’s blend of soulful, socially conscious themes.
-
C.
The World at One
The World at One is a long-running BBC Radio 4 lunchtime news and current affairs programme known for in-depth political analysis and high-profile interviews.
-
D.
Earth Day
Earth Day is an annual global event dedicated to environmental protection and awareness, observed every year on April 22.
-
E.
Green City in the Sun
Green City in the Sun is a popular nickname for Nairobi, highlighting the Kenyan capital’s lush greenery and warm, sunny climate.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Earth Hour Target entity description: Earth Hour is a global environmental movement in which individuals, businesses, and landmarks switch off non-essential lights for one hour to raise awareness about climate change and energy conservation.
-
A.
Fridays for Future
Fridays for Future is a global youth-led climate strike movement that organizes regular school walkouts and protests to demand urgent action on the climate crisis.
-
B.
Move the World
"Move the World" is a song featured on the album *Darkness and Light*, likely reflecting the record’s blend of soulful, socially conscious themes.
-
C.
The World at One
The World at One is a long-running BBC Radio 4 lunchtime news and current affairs programme known for in-depth political analysis and high-profile interviews.
-
D.
Earth Day
Earth Day is an annual global event dedicated to environmental protection and awareness, observed every year on April 22.
-
E.
Green City in the Sun
Green City in the Sun is a popular nickname for Nairobi, highlighting the Kenyan capital’s lush greenery and warm, sunny climate.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
annual event
ⓘ
environmental campaign ⓘ global movement ⓘ |
| coordinatedBy |
businesses
ⓘ
environmental organizations ⓘ governments ⓘ local communities ⓘ |
| duration | one hour ⓘ |
| encourages |
discussion on environmental issues
ⓘ
policy advocacy on climate change ⓘ reducing electricity consumption ⓘ |
| firstHeldIn | 2007 ⓘ |
| firstHeldInCity | Sydney ⓘ |
| firstHeldInCountry | Australia ⓘ |
| focusesOn |
climate change mitigation
ⓘ
energy efficiency ⓘ sustainable lifestyles ⓘ |
| frequency | annual ⓘ |
| hasGlobalReach | true ⓘ |
| hasPurpose |
encourage climate action
ⓘ
promote energy conservation ⓘ raise awareness about climate change ⓘ |
| hasSlogan |
Lights Out for the Earth
ⓘ
Switch Off ⓘ |
| headquartersLocation | Singapore ⓘ |
| involvesAction | switching off non-essential lights ⓘ |
| isNonProfit | true ⓘ |
| mediaCoverage | international ⓘ |
| organizedBy |
WWF
ⓘ
World Wide Fund for Nature ⓘ
linked to:
World Wildlife Fund
|
| participantsInclude |
businesses
ⓘ
cities ⓘ individuals ⓘ landmarks ⓘ |
| relatedTo |
climate change awareness
ⓘ
energy conservation campaigns ⓘ environmental protection ⓘ sustainable development ⓘ |
| supportedBy |
corporations
ⓘ
municipal governments ⓘ national governments ⓘ non-governmental organizations ⓘ |
| symbolizes |
collective climate action
ⓘ
commitment to the planet ⓘ |
| timeOfDay | evening ⓘ |
| typicalDayHeld | Saturday ⓘ |
| typicalMonthHeld | March ⓘ |
| usesHashtag |
#EarthHour
ⓘ
linked to:
Earth Hour
|
| usesSymbol | switching off lights ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Earth Hour Description of subject: Earth Hour is a global environmental movement in which individuals, businesses, and landmarks switch off non-essential lights for one hour to raise awareness about climate change and energy conservation.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Earth Hour
linked to: Earth Hour
linked to: Earth Hour