The Twenty-Ninth Day
E409783
The Twenty-Ninth Day is an environmental book by Lester R. Brown that uses the metaphor of exponential growth to warn about the accelerating pressures humans are placing on the planet’s ecosystems and resources.
All labels observed (1)
| Label | Occurrences |
|---|---|
| The Twenty-Ninth Day canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4052508 — 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: The Twenty-Ninth Day Context triple: [Lester R. Brown, notableWork, The Twenty-Ninth Day]
-
A.
The Given Day
The Given Day is a historical novel by Dennis Lehane set in post-World War I Boston, intertwining the lives of a working-class Irish-American family and an African-American ballplayer against a backdrop of social unrest and political upheaval.
-
B.
The 18th Day
The 18th Day is the debut studio album by British singer-rapper Estelle, blending R&B, hip hop, and soul to introduce her distinctive sound.
-
C.
The Remorseful Day
The Remorseful Day is the final Inspector Morse crime novel by Colin Dexter, concluding the long-running series about the Oxford detective.
-
D.
The Three-Day Blow
The Three-Day Blow is a short story by Ernest Hemingway featuring Nick Adams, notable for its minimalist style and exploration of male friendship and emotional undercurrents.
-
E.
Day of the Sun
Day of the Sun is North Korea’s most important national holiday, marking the birth anniversary of founding leader Kim Il-sung with large-scale celebrations and state ceremonies.
- 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: The Twenty-Ninth Day Target entity description: The Twenty-Ninth Day is an environmental book by Lester R. Brown that uses the metaphor of exponential growth to warn about the accelerating pressures humans are placing on the planet’s ecosystems and resources.
-
A.
The Given Day
The Given Day is a historical novel by Dennis Lehane set in post-World War I Boston, intertwining the lives of a working-class Irish-American family and an African-American ballplayer against a backdrop of social unrest and political upheaval.
-
B.
The 18th Day
The 18th Day is the debut studio album by British singer-rapper Estelle, blending R&B, hip hop, and soul to introduce her distinctive sound.
-
C.
The Remorseful Day
The Remorseful Day is the final Inspector Morse crime novel by Colin Dexter, concluding the long-running series about the Oxford detective.
-
D.
The Three-Day Blow
The Three-Day Blow is a short story by Ernest Hemingway featuring Nick Adams, notable for its minimalist style and exploration of male friendship and emotional undercurrents.
-
E.
Day of the Sun
Day of the Sun is North Korea’s most important national holiday, marking the birth anniversary of founding leader Kim Il-sung with large-scale celebrations and state ceremonies.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
book
ⓘ
environmental book ⓘ non-fiction book ⓘ |
| about |
environmental sustainability
ⓘ
human impact on the environment ⓘ natural resources ⓘ planetary ecosystems ⓘ |
| aimsTo |
encourage sustainable resource use
ⓘ
influence public policy on the environment ⓘ raise awareness of environmental limits ⓘ |
| associatedWith |
environmental movement
ⓘ
global sustainability debates ⓘ |
| author | Lester R. Brown ⓘ |
| context | late 20th-century environmental discourse ⓘ |
| emphasizes |
need for timely intervention before crisis
ⓘ
speed of environmental change under exponential growth ⓘ |
| focusesOn |
global environmental issues
ⓘ
human population and consumption growth ⓘ sustainability challenges ⓘ |
| genre |
environmental literature
ⓘ
popular science ⓘ |
| hasCentralMetaphor | pond and lily pad growth reaching the twenty-ninth day ⓘ |
| hasKeyConcept |
nonlinear change in ecosystems
ⓘ
tipping points in environmental systems ⓘ urgency of early action on environmental problems ⓘ |
| hasPerspective | environmentalist perspective ⓘ |
| intendedAudience |
environmental advocates
ⓘ
general readers ⓘ policymakers ⓘ |
| language | English ⓘ |
| mainTheme |
environmental degradation
ⓘ
exponential growth ⓘ limits to growth ⓘ pressure on ecosystems ⓘ resource depletion ⓘ |
| relatedTo |
ecological economics
ⓘ
global environmental policy ⓘ sustainable development ⓘ |
| usesMetaphor | exponential growth metaphor ⓘ |
| warnsAbout |
accelerating environmental pressures
ⓘ
consequences of unchecked growth ⓘ overshoot of ecological limits ⓘ |
| workType | environmental warning ⓘ |
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: The Twenty-Ninth Day Description of subject: The Twenty-Ninth Day is an environmental book by Lester R. Brown that uses the metaphor of exponential growth to warn about the accelerating pressures humans are placing on the planet’s ecosystems and resources.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.