What are the safest and cleanest sources of energy?
Fossil fuels are the dirtiest and most dangerous energy sources, while nuclear and modern renewable energy sources are vastly safer and cleaner.
February 10
Article
Latest
Our latest articles, data updates, and announcements
February 04
Article
Less meat is nearly always better than sustainable meat, to reduce your carbon footprint
Plant-based protein sources still have a lower footprint than the lowest-impact meat products.
January 28
Article
Very little of global food is transported by air; this greatly reduces the climate benefits of eating local
Transporting food by plane can come with a large carbon footprint. But very little of our food travels this way – just 0.16% of food miles are from air travel.
January 24
Article
You want to reduce the carbon footprint of your food? Focus on what you eat, not whether your food is local
“Eat local” is a common recommendation to reduce your diet's carbon footprint. How does the impact of what you eat compare to where it comes from?
December 11
Article
Is there a loneliness epidemic?
The media claims we are experiencing a ‘loneliness epidemic’. What is the evidence for this?
December 11
Article
Are people more likely to be lonely in so-called 'individualistic' societies?
In countries such as Denmark and Switzerland, it is very common for people to live alone; but contrary to what many believe, this does not translate into higher loneliness. Loneliness and aloneness are not the same.
December 01
Article
Antiretroviral therapy has saved millions of lives from AIDS and could save more
Since the late 1980s, antiretroviral therapy has already saved millions of lives from HIV/AIDS. But millions of people with HIV still aren’t getting this life-saving treatment.
November 15
Article
The importance of personal relations for economic outcomes
Social connections matter for economic outcomes. Personal relations, even those that we maintain for non-economic reasons, often give us access to information and provide us with social collateral for economic transactions.
November 12
Article
Pneumonia — no child should die from a disease we can prevent
How many children die from pneumonia? How has this changed over time, and how can we prevent it?
November 11
Article
Half of the world’s habitable land is used for agriculture
More than three-quarters of global agricultural land is used for livestock, despite meat and dairy making up a much smaller share of the world's protein and calories.
November 06
Article
Food production is responsible for one-quarter of the world’s greenhouse gas emissions
One-quarter of the world's greenhouse gas emissions result from food and agriculture. What are the main contributors to food's emissions?
November 04
Article
What are the environmental impacts of food and agriculture?
Feeding the world whilst reducing food's impact on the environment is one of our greatest challenges in the coming decades. What are food's environmental impacts?
October 16
Article
We won the Lovie Award!
The Lovie Award is the European internet award awarded by the International Academy of Digital Arts and Sciences.
October 07
Article
How do CO2 emissions compare when we adjust for trade?
Which countries are net importers and exports of emissions? How much CO2 is ‘offshored’?
October 04
Article
Where in the world do people emit the most CO2?
There are large inequalities in the carbon footprint of people across the world. How do countries across the world compare? Where in the world do people emit the most CO2?
October 03
Article
Who emits the most CO2 today?
Which countries emit the most CO2 today? How do annual emissions vary across the world?
October 01
Article
Who has contributed most to global CO2 emissions?
Our impact on climate change is not just about emissions that occur today. How much we emitted in the past also matters.
September 26
Article
12 key metrics to understand the state of the world
Our World in Data is home to thousands of charts. But some metrics are core to our work: here we present 12 that help us understand the state of the world.
September 24
Article
Where does our plastic accumulate in the ocean and what does that mean for the future?
An estimated 8 million tonnes of plastic enter our oceans each year. But the plastic we find in our surface waters is more than 100-fold lower. This is the 'missing plastic' problem.
September 20
Article
If we can make maternal deaths as rare as they are in the healthiest countries, we can save almost 300,000 mothers each year
Maternal mortality was much more common in the past. Today, it is much lower — but there are still large inequalities across the world.
September 19
Article
Talent is everywhere, opportunity is not. We are all losing out because of this
The world needs ideas and innovation to make progress. Creative and talented people are everywhere, but the opportunity to develop is limited to only a small number of well-off children. The world loses out as a result.