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<title>Our World in Data</title>
<subtitle>Research and data to make progress against the world’s largest problems</subtitle>
<id>https://ourworldindata.org/</id>
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<link type="application/atom+xml" rel="self" href="https://ourworldindata.org/atom.xml"/>
<updated>2026-02-16T00:00:00.000Z</updated>
<entry>
            <title><![CDATA[Four minutes of air conditioning]]></title>
            <id>https://ourworldindata.org/four-minutes-of-air-conditioning</id>
            <link rel="alternate" href="https://ourworldindata.org/four-minutes-of-air-conditioning"/>
            <published>2026-02-16T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author>
            <summary><![CDATA[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>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Religion]]></title>
            <id>https://ourworldindata.org/religion</id>
            <link rel="alternate" href="https://ourworldindata.org/religion"/>
            <published>2026-02-02T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Lucas Rodés-Guirao</name></author><author><name>Pablo Arriagada</name></author><author><name>Esteban Ortiz-Ospina</name></author>
            <summary><![CDATA[What share of the world is religious, and how is this changing? Explore global data and research on trends in religiosity.<br><br><a href="https://ourworldindata.org/religion"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/d55e9c17-481a-4aab-81f7-3ee627dce800/w=1024"/></a>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Could biofuels meet demand for global aviation?]]></title>
            <id>https://ourworldindata.org/biofuels-demand-global-aviation</id>
            <link rel="alternate" href="https://ourworldindata.org/biofuels-demand-global-aviation"/>
            <published>2026-01-26T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Pablo Rosado</name></author>
            <summary><![CDATA[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>]]></summary>
            </entry>
<entry>
            <title><![CDATA[How have crime rates in the United States changed over the last 50 years?]]></title>
            <id>https://ourworldindata.org/us-crime-rates</id>
            <link rel="alternate" href="https://ourworldindata.org/us-crime-rates"/>
            <published>2026-01-19T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Fiona Spooner</name></author>
            <summary><![CDATA[Both violent and property crime are far below their 1990s peak, but some crimes see periodic rises.<br><br><a href="https://ourworldindata.org/us-crime-rates"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ad8c75ab-b3e2-4325-b53e-cf62e26f2600/w=1024"/></a>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Bioenergy and Biofuels]]></title>
            <id>https://ourworldindata.org/bioenergy-biofuels</id>
            <link rel="alternate" href="https://ourworldindata.org/bioenergy-biofuels"/>
            <published>2026-01-12T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Pablo Rosado</name></author>
            <summary><![CDATA[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>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Putting solar panels on land used for biofuels would produce enough electricity for all cars and trucks to go electric]]></title>
            <id>https://ourworldindata.org/biofuel-land-solar-electric-vehicles</id>
            <link rel="alternate" href="https://ourworldindata.org/biofuel-land-solar-electric-vehicles"/>
            <published>2026-01-12T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Pablo Rosado</name></author>
            <summary><![CDATA[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>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Medicine and Biotechnology]]></title>
            <id>https://ourworldindata.org/medicine-biotech</id>
            <link rel="alternate" href="https://ourworldindata.org/medicine-biotech"/>
            <published>2025-12-15T00:00:00.000Z</published>
            <author><name>Tuna Acisu</name></author><author><name>Saloni Dattani</name></author><author><name>Fiona Spooner</name></author><author><name>Veronika Samborska</name></author><author><name>Hannah Ritchie</name></author><author><name>Max Roser</name></author>
            <summary><![CDATA[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>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Top of the Charts: our most popular work in 2025]]></title>
            <id>https://ourworldindata.org/top-of-the-charts-2025</id>
            <link rel="alternate" href="https://ourworldindata.org/top-of-the-charts-2025"/>
            <published>2025-12-04T00:00:00.000Z</published>
            <author><name>Our World in Data team</name></author>
            <summary><![CDATA[A look back at the most popular charts, articles, data insights, and more from Our World in Data in 2025.<br><br><a href="https://ourworldindata.org/top-of-the-charts-2025"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ddab06f1-a4f4-4b0f-24e2-c376b650a600/w=1024"/></a>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Almost all of the world’s mammal biomass is humans and livestock]]></title>
            <id>https://ourworldindata.org/wild-mammals-birds-biomass</id>
            <link rel="alternate" href="https://ourworldindata.org/wild-mammals-birds-biomass"/>
            <published>2025-12-01T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Fiona Spooner</name></author>
            <summary><![CDATA[Humans and livestock make up 95% of the world’s mammal biomass; wild mammals are just 5%.<br><br><a href="https://ourworldindata.org/wild-mammals-birds-biomass"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b86e8e53-9470-425a-0c59-7529f31e6200/w=1024"/></a>]]></summary>
            </entry>
<entry>
            <title><![CDATA[Just ten species make up almost half the weight of all wild mammals on Earth]]></title>
            <id>https://ourworldindata.org/wild-mammal-biomass-dominance</id>
            <link rel="alternate" href="https://ourworldindata.org/wild-mammal-biomass-dominance"/>
            <published>2025-11-24T00:00:00.000Z</published>
            <author><name>Hannah Ritchie</name></author><author><name>Fiona Spooner</name></author>
            <summary><![CDATA[A small number of species dominate the distribution of wild mammal biomass.<br><br><a href="https://ourworldindata.org/wild-mammal-biomass-dominance"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/44fe312c-c616-4780-34d9-f1828e1f7e00/w=1024"/></a>]]></summary>
            </entry>
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