The world is making progress on clean water and sanitation, but is far behind its target to ensure universal access by 2030All countries pledged to provide safe water and sanitation for everyone by 2030. How far are we from reaching these targets?By Hannah Ritchie — July 01, 2021
Which countries have mandatory childhood vaccination policies?How do policies on childhood vaccinations vary across the world?By Tatjana Marks and Samantha Vanderslott — June 11, 2021
Emissions from food alone could use up all of our budget for 1.5°C or 2°C – but we have a range of opportunities to avoid thisIf we want to meet our global climate targets we need to reduce greenhouse gas emissions from food. What options do we have?By Hannah Ritchie — June 10, 2021
We just published our new data explorer on Crop YieldsExplore our new data explorer covering yields and yield gaps for a range of crops across the world.By Hannah Ritchie — June 08, 2021
Why do we need to know about progress if we are concerned about the world's largest problems?Why have we made it our mission to publish “research and data to make progress against the world’s largest problems”?By Max Roser — June 07, 2021
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 – and 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