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Today β€” 30 March 2026Our World in Data

Battery costs have declined by 99% in the last three decades, making electrified transport a reality

βœ‡Our World in Data
By: Hannah Ritchie Pablo Rosado
30 March 2026 at 00:00
Batteries have become much cheaper, making energy storage far more affordable.<br><br><a href="https://ourworldindata.org/battery-price-decline"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b0c1ea71-b663-4741-6574-67ffa449fe00/w=1024"/></a>
Before yesterdayOur World in Data

The human cost of unsafe abortions

βœ‡Our World in Data
By: Hannah Ritchie
23 March 2026 at 00:00
Romania’s history offers a rare natural experiment on what happens when abortion laws change rapidly. What can the rest of the world learn from this?<br><br><a href="https://ourworldindata.org/the-human-cost-of-unsafe-abortions"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f022345d-6fae-4d0e-f408-54a324b62200/w=1024"/></a>

Why cheap waste management is key to stopping plastic pollution

βœ‡Our World in Data
By: Hannah Ritchie Veronika Samborska
16 March 2026 at 00:00
Improving waste management in low- and middle-income countries could cut global pollution by 98%.<br><br><a href="https://ourworldindata.org/why-cheap-waste-management-is-key-to-stopping-plastic-pollution"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/c405c34f-0816-4c07-c075-b259ab55ed00/w=1024"/></a>

Tracking historical progress against slavery and forced labor: a long-run data view

βœ‡Our World in Data
By: Bastian Herre Esteban Ortiz-Ospina Max Roser
23 February 2026 at 00:00
Almost all countries have ended large-scale forced labor, often surprisingly recently.<br><br><a href="https://ourworldindata.org/slavery"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/fd9c3fb5-e863-48e5-d6df-a67fbf9e5000/w=1024"/></a>

Four minutes of air conditioning

βœ‡Our World in Data
By: Hannah Ritchie
16 February 2026 at 00:00
Billions of people have access to far less electricity per day than is required to run an air conditioner for just one hour.<br><br><a href="https://ourworldindata.org/four-minutes-of-air-conditioning"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/d666d8d8-6937-495b-5e37-ae8d93cc0a00/w=1024"/></a>

Could biofuels meet demand for global aviation?

βœ‡Our World in Data
By: Hannah Ritchie Pablo Rosado
26 January 2026 at 00:00
To fuel all of the world’s aviation demand, global biofuels would need to more than triple and be exclusively used for air travel.<br><br><a href="https://ourworldindata.org/biofuels-demand-global-aviation"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/419676cb-a931-41ff-3fde-d93748a5e900/w=1024"/></a>

Bioenergy and Biofuels

βœ‡Our World in Data
By: Hannah Ritchie Pablo Rosado
12 January 2026 at 00:00
How much bioenergy does the world produce, and what is it used for?<br><br><a href="https://ourworldindata.org/bioenergy-biofuels"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/99904e99-0b0b-4342-6177-51f2c29b6900/w=1024"/></a>

Putting solar panels on land used for biofuels would produce enough electricity for all cars and trucks to go electric

βœ‡Our World in Data
By: Hannah Ritchie Pablo Rosado
12 January 2026 at 00:00
The world dedicates a Poland-sized area of land to liquid biofuels. Is there a more efficient way to generate energy?<br><br><a href="https://ourworldindata.org/biofuel-land-solar-electric-vehicles"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9f05d67d-0d16-4494-86fd-23f5c563c200/w=1024"/></a>

Medicine and Biotechnology

βœ‡Our World in Data
By: Tuna Acisu Saloni Dattani Fiona Spooner Veronika Samborska Hannah Ritchie Max Roser
15 December 2025 at 00:00
Innovations in medicines and biotechnology have increased life expectancy and saved many lives. Explore how this happened, and how more progress can be made.<br><br><a href="https://ourworldindata.org/medicine-biotech"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9616ed87-e2c7-4b41-ef80-7ac6d428c800/w=1024"/></a>

The end of progress against extreme poverty?

βœ‡Our World in Data
By: Max Roser
17 November 2025 at 00:00
In the last three decades, the world has made progress against extreme poverty faster than ever before. But unless the poorest economies start growing, this period of progress against the worst form of poverty is over.<br><br><a href="https://ourworldindata.org/end-progress-extreme-poverty"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/baec824b-408e-4d76-5e06-3817b5b0b600/w=1024"/></a>

Anxiety is one of the world’s most common health issues. How have treatments evolved over the last 70 years?

βœ‡Our World in Data
By: Hannah Ritchie Tuna Acisu
10 November 2025 at 00:00
Anxiety affects at least hundreds of millions of people every year. What treatments are available, and how have they changed over time?<br><br><a href="https://ourworldindata.org/timeline-anxiety-medications"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9a86b91f-d6ca-44b9-389d-cced0aa44200/w=1024"/></a>

Introducing our new, more powerful search

βœ‡Our World in Data
By: Matthieu Bergel Sophia Mersmann Marwa Boukarim Martin RačÑk Joe Hasell Charlie Giattino
6 November 2025 at 00:00
Finding what you’re looking for, or discovering something new, has never been easier.<br><br><a href="https://ourworldindata.org/introducing-new-search"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/31f2adef-3472-48f6-1dfc-e04a61045f00/w=1024"/></a>
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