Our World in Data1 Dec 2025 · 1 min · OriginalHumans and domestic animals dominate the world’s mammal biomassWeight offers a striking view of ecological change—but it is only one measure.
Our World in Data6 Oct 2025 · 1 min · OriginalThe news’s picture of death differs sharply from the statistical oneA 2025 analysis finds a shared editorial skew across three politically different US outlets.
Our World in Data27 Aug 2023 · 1 min · OriginalCrossing an extreme-poverty line is a major gain without being a comfortable lifeA long-run poverty explainer separates progress from sufficiency.
Our World in Data18 Mar 2023 · 1 min · OriginalRapid population growth is a phase in a demographic transitionThe long view separates a large population from a permanently accelerating one.
Our World in Data19 Jan 2022 · 1 min · OriginalThere is no single environmental scoreboard on which every plant milk winsComparing dairy alternatives requires deciding which impacts matter.
Our World in Data14 Jul 2021 · 1 min · OriginalSmoking’s decline shows how evidence and policy can change a seemingly fixed habitA 2021 retrospective follows the long chain from statistical discovery to shifting social norms.
Our World in Data1 May 2021 · 1 min · OriginalBetter maps changed the story about which rivers carry plastic to the seaA 2021 modeling revision broadened the geography of prevention.
Our World in Data4 Mar 2021 · 1 min · OriginalA plant-based food system can require less cropland as well as less pastureThe missing term in the intuitive calculation is the crops currently fed to animals.
Our World in Data16 Dec 2020 · 1 min · OriginalThe shorter working year came from holidays as well as shorter daysLong-run working-time data reveal an often overlooked form of economic progress.
Our World in Data1 Dec 2020 · 1 min · OriginalCheap solar came from a market that initially made almost no senseAn energy explainer traces how niche demand and manufacturing experience changed electricity economics.
Our World in Data10 Feb 2020 · 1 min · OriginalEnergy safety looks different when deaths are counted per unit of electricityA comparison that includes routine air pollution changes the apparent trade-offs.
Our World in Data24 Jan 2020 · 1 min · OriginalThe biggest part of a meal’s carbon footprint often happens before it travelsHannah Ritchie’s food-systems explanation tests the intuition behind eating locally.
Our World in Data28 Aug 2017 · 1 min · OriginalLife expectancy is a snapshot of mortality, not a personal expiry dateThe distinction between period and cohort measures resolves several common misunderstandings.