id,sourceId,target,linkType,componentType,text,queryString,hash 1880535,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/energy,url,topic-page-intro,Energy,, 1880536,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/poverty,url,topic-page-intro,Poverty,, 1880537,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/technological-change,url,topic-page-intro,Technological Change,, 1880538,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,the-price-for-lighting-per-million-lumen-hours-in-the-uk-in-british-pound,grapher,key-insights,The price of lighting has fallen by more than 99.9% since 1300,?yScale=log, 1880539,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,efficiency-of-lighting-in-the-united-kingdom-lumen-hours-per-kilowatt-hour,grapher,key-insights,The efficiency of lighting has increased 1000-fold since 1700,, 1880540,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,lighting-sources-uk,grapher,key-insights,"Many countries have moved from candles to gas, to kerosene, and then to electricity",?tab=chart&country=Candles~Whale+Oil~Gas~Kerosene~Electricity, 1880541,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,efficiency-lighting-uk-sources,grapher,key-insights,Lighting has gotten cheaper and more efficient by moving from one source to another,?tab=chart&yScale=log&country=Candles~Electricity~Gas~Whale+Oil~Kerosene, 1880542,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/whaling,url,span-link,whale oil,, 1880543,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://earthobservatory.nasa.gov/features/NightLights,url,span-link,from NASA,, 1880544,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/energy-poverty-air-pollution,url,span-link,living in energy poverty,, 1880545,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://earthobservatory.nasa.gov/features/NightLights,url,span-link,NASA,, 1880546,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,share-of-population-in-extreme-poverty,grapher,span-link,have plummeted,?tab=chart&country=IND~PAK~BGD, 1880547,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/worlds-energy-problem,url,research-and-writing,The world's energy problem,, 1880548,1CbGF3JSwBJqIGTduV8dyRkylyqUisbI5GLK0yIWuU1U,https://ourworldindata.org/whaling,url,research-and-writing,Global whaling peaked in the 1960s,,