700 million people still live without electricity. Here’s how to fix that | Jacqueline Novogratz
TED Talks Daily22 Heinä 2025

700 million people still live without electricity. Here’s how to fix that | Jacqueline Novogratz

Impact investor and Acumen CEO Jacqueline Novogratz unveils a bold vision to bring off-grid solar electricity to 700 million people still living in darkness, transforming lives while slashing emissions. She asks a thought-provoking question: What if this generation could be remembered for finally bringing electricity — and dignity — to everyone on the planet?

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The paradigm shift toward equitable tech access across Africa | ’Gbenga Sesan

The paradigm shift toward equitable tech access across Africa | ’Gbenga Sesan

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Community-powered solutions to the climate crisis | Rahwa Ghirmatzion and Zelalem Adefris

Community-powered solutions to the climate crisis | Rahwa Ghirmatzion and Zelalem Adefris

Climate change is the epic challenge of our lives, and community leaders like Rahwa Ghirmatzion and Zelalem Adefris are already working on sustainable, resilient solutions. Through their organizations...

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The promise of quantum computers | Matt Langione

The promise of quantum computers | Matt Langione

What if microparticles could help us solve the world's biggest problems in a matter of minutes? That's the promise -- and magic -- of quantum computers, says Matt Langione. Speaking next to IBM's quan...

9 Helmi 202112min

A concrete idea to reduce carbon emissions | Karen Scrivener

A concrete idea to reduce carbon emissions | Karen Scrivener

Concrete is the second most-used substance on Earth (behind water), and it's responsible for eight percent of the world's carbon footprint. Cement researcher Karen Scrivener shares the research behind...

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How a green economy could work for you | Angela Francis

How a green economy could work for you | Angela Francis

How do you get the environment to the top of everyone's priority list? You can't, says climate advocate Angela Francis -- but you can get them to care about improving their lives. In this pragmatic ta...

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How technology changes our sense of right and wrong | Juan Enriquez

How technology changes our sense of right and wrong | Juan Enriquez

What drives society’s understanding of right and wrong? In this thought-provoking talk, futurist Juan Enriquez offers a historical outlook on what humanity once deemed acceptable -- from human sacrifi...

4 Helmi 20218min

The surprising connection between brain injuries and crime | Kim Gorgens

The surprising connection between brain injuries and crime | Kim Gorgens

Here's a shocking statistic: 50 to 80 percent of people in the criminal justice system in the US have had a traumatic brain injury. In the general public, that number is less than five percent. Neurop...

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How a geospatial nervous system could help us design a better future | Jack Dangermond

How a geospatial nervous system could help us design a better future | Jack Dangermond

What if we could better understand the world's biggest challenges simply by looking at a map? Jack Dangermond, a pioneer in geographic information system (GIS) technology that powers the digital maps ...

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