The best way to lower Earth’s temperature — fast | Daniel Zavala-Araiza
TED Talks Daily4 Huhti 2025

The best way to lower Earth’s temperature — fast | Daniel Zavala-Araiza

There's an invisible super-pollutant heating up the planet — but it's surprisingly easy to reduce, if we try. Revealing how methane contributes (way) more in the short term to global warming than carbon dioxide, chemical engineer Daniel Zavala-Araiza highlights the emerging technologies and bold new policies that are part of a worldwide effort to hold oil and gas companies accountable for polluting our skies with this harmful gas. It's an optimistic glimpse into a future where global cooperation and cutting-edge monitoring could rapidly slow climate change.

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How to revitalize a neighborhood -- without gentrification | Bree Jones

How to revitalize a neighborhood -- without gentrification | Bree Jones

The housing market can be vexing: while some neighborhoods get ridiculously expensive and price out longtime residents, others have historic homes sitting vacant without demand. Equitable housing deve...

30 Syys 20226min

The online community supporting queer Africans | Okong’o Kinyanjui

The online community supporting queer Africans | Okong’o Kinyanjui

Feeling safe is a human right -- but in many African countries, colonial-era laws make it dangerous for LGBTQIA+ people to gather and share their sexual orientation, gender identity or gender expressi...

29 Syys 20229min

Work is not your family | Gloria Chan Packer

Work is not your family | Gloria Chan Packer

You may need to hear this (if you haven't already): your job is not your family. While you can develop meaningful relationships with your colleagues, calling work your family can actually breed burnou...

28 Syys 202215min

How AI could empower any business | Andrew Ng

How AI could empower any business | Andrew Ng

Expensive to build and often needing highly skilled engineers to maintain, artificial intelligence systems generally only pay off for large tech companies with vast amounts of data. But what if your l...

27 Syys 202211min

How to build for human life on Mars | Melodie Yashar

How to build for human life on Mars | Melodie Yashar

We’re going to be building on the Moon this decade -- and next will be Mars, says space architect Melodie Yashar. In a visionary talk, she introduces her work designing off-world shelters with autonom...

26 Syys 202211min

Is there a link between cancer and heart disease? | Nicholas Leeper

Is there a link between cancer and heart disease? | Nicholas Leeper

Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and can...

23 Syys 202212min

Is the pandemic actually over? It's complicated | Anthony Fauci

Is the pandemic actually over? It's complicated | Anthony Fauci

“Be spreaders of facts and truths,” says scientist and immunologist Dr. Anthony Fauci. Having advised seven US presidents on various disease outbreaks including COVID-19, he shares insights on the pre...

22 Syys 202229min

You don't have to leave your neighborhood to live in a better one | Majora Carter

You don't have to leave your neighborhood to live in a better one | Majora Carter

Low-status neighborhoods in the US are often stuck between stagnating assistance from the government and gentrification at the hands of real estate developers. The result is that the brightest minds a...

21 Syys 202222min

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