The price of batteries has declined by 97% in the last three decadesTo transition towards low-carbon energy systems, we need low-cost energy storage. Battery costs have been falling quickly.By Hannah Ritchie — June 04, 2021
The argument for a carbon priceWe are paying a price for fossil fuels, but that price is not paid by those that burn the fossil fuels – we need to change that.By Max Roser — June 01, 2021
How the Living Planet project helps us understand changes in the world’s wildlifeBeneath the popular index, the Living Planet database helps us understand where and what animals are deeply threatened, and what animals are thriving.By Hannah Ritchie — May 17, 2021
What is economic growth? And why is it so important?The goods and services that we all need are not just there; they need to be produced. Growth means that their quality and quantity increase.By Max Roser — May 13, 2021
The Our World in Data COVID-19 vaccination dataset has been published in the academic journal, Nature Human BehaviourOur free, open-access dataset tracking global COVID-19 vaccinations has been published in Nature Human Behaviour.By Hannah Ritchie — May 10, 2021
We just published our new work on Coral ReefsExplore the research on coral reefs. This is part of our latest collection of work on Biodiversity and Wildlife.By Hannah Ritchie — May 07, 2021
Where does the plastic in our oceans come from?Which countries and rivers emit the most plastic to the ocean? What does this mean for solutions to tackle plastic pollution?By Hannah Ritchie — May 01, 2021
We just published our new collection of work on BiodiversityExplore our new collection of work on the topic of biodiversity and wildlife.By Hannah Ritchie — April 21, 2021
Wild mammals have declined by 85% since the rise of humans, but there is a possible future where they flourishWild mammal biomass has declined by 85% since the rise of humans. But we can turn things around by reducing the amount of land we use for agriculture.By Hannah Ritchie — April 20, 2021
Emerging COVID-19 success story: Germany’s push to maintain progressGermany is one country which has responded well to the Coronavirus pandemic. How did they do so? In-country experts provide key insights.By Guest Authors — March 20, 2021
What are the carbon opportunity costs of our food?What are the carbon opportunity costs of our diet? How much carbon could we store by regrowing forests and wild habitats on existing farmland?By Hannah Ritchie — March 19, 2021
How much of global greenhouse gas emissions come from food?Estimates of food emissions can range from one-quarter to one-third. Where do these differences come from?By Hannah Ritchie — March 18, 2021
How much economic growth is necessary to reduce global poverty substantially?I study the data on today's global inequality to calculate the minimum aggregate growth that is required to reduce global poverty substantially.By Max Roser — March 15, 2021
Emerging COVID-19 success story: Vietnam's commitment to containmentVietnam is one country which has responded well to the Coronavirus pandemic. How did they do so? In-country experts provide key insights.By Guest Authors — March 05, 2021
Emerging COVID-19 success story: South Korea learned the lessons of MERSSouth Korea is one country which has responded well to the Coronavirus pandemic. How did they do so? In-country experts provide key insights.By Guest Authors — March 05, 2021
Global poverty in an unequal world: Who is considered poor in a rich country? And what does this mean for our understanding of global poverty?What would global poverty look like if we rely on the notions of poverty in countries like Denmark, the US, or Germany? And why does this matter?By Max Roser — March 05, 2021
If the world adopted a plant-based diet, we would reduce global agricultural land use from 4 to 1 billion hectaresWe could reduce the amount of land used for grazing and croplands used to grow animal feed.By Hannah Ritchie — March 04, 2021
Do rich countries import deforestation from overseas?Rich countries import foods produced on deforested land in the tropics. How much deforestation do they import?By Hannah Ritchie — March 01, 2021
The economies that are home to the poorest billions of people need to grow if we want global poverty to decline substantiallyThe majority of the world today is poor: 85% of the world live on less than $30 per day. We need economic growth to alleviate global poverty.By Max Roser — February 22, 2021
Global deforestation peaked in the 1980s. Can we bring it to an end?There was a marked acceleration in deforestation in the 20th century. But, global deforestation peaked in the 1980s. Since then, it has slowed.By Hannah Ritchie — February 19, 2021
The world has lost one-third of its forest, but an end of deforestation is possibleOver the last 10,000 years the world has lost one-third of its forests. An area twice the size of the United States. Half occurred in the last century.By Hannah Ritchie — February 09, 2021