700 million people still live without electricity. Here’s how to fix that | Jacqueline Novogratz
TED Talks Daily22 Juli 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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Why the "wrong side of the tracks" is usually the east side of cities | Stephen DeBerry

Why the "wrong side of the tracks" is usually the east side of cities | Stephen DeBerry

What do communities on the social, economic and environmental margins have in common? For one thing, they tend to be on the east sides of cities. In this short talk about a surprising insight, anthrop...

21 Aug 20186min

How women in rural India turned courage into capital | Chetna Gala Sinha

How women in rural India turned courage into capital | Chetna Gala Sinha

When bankers refused to serve her neighbors in rural India, Chetna Gala Sinha did the next best thing: she opened a bank of her own, the first ever for and by women in the country. In this inspiring t...

20 Aug 201814min

How urban spaces can preserve history and build community | Walter Hood

How urban spaces can preserve history and build community | Walter Hood

Can public spaces both reclaim the past and embrace the future? Landscape architect Walter Hood has explored this question over the course of an iconic career, with projects ranging from Lafayette Squ...

17 Aug 201814min

How cancer cells communicate -- and how we can slow them down | Hasini Jayatilaka

How cancer cells communicate -- and how we can slow them down | Hasini Jayatilaka

When cancer cells are closely packed together in a tumor, they're able to communicate with each other and coordinate their movement throughout the body. What if we could interrupt this process? In thi...

16 Aug 201810min

What a scrapyard in Ghana can teach us about innovation | DK Osseo-Asare

What a scrapyard in Ghana can teach us about innovation | DK Osseo-Asare

In Agbogbloshie, a community in Accra, Ghana, people descend on a scrapyard to mine electronic waste for recyclable materials. Without formal training, these urban miners often teach themselves the wo...

16 Aug 201814min

Why I fight for the education of refugee girls (like me) | Mary Maker

Why I fight for the education of refugee girls (like me) | Mary Maker

After fleeing war-torn South Sudan as a child, Mary Maker found security and hope in the school at Kenya's Kakuma Refugee Camp. Now as a teacher of young refugees herself, she sees education as an ess...

15 Aug 201816min

The little risks you can take to increase your luck  | Tina Seelig

The little risks you can take to increase your luck | Tina Seelig

Luck is rarely a lightning strike, isolated and dramatic -- it's much more like the wind, blowing constantly. Catching more of it is easy but not obvious. In this insightful talk, Stanford business sc...

14 Aug 201811min

How teachers can help kids find their political voices | Sydney Chaffee

How teachers can help kids find their political voices | Sydney Chaffee

Social justice belongs in our schools, says educator Sydney Chaffee. In a bold talk, she shows how teaching students to engage in activism helps them build important academic and life skills -- and as...

14 Aug 201817min

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