Big Think

Is it too late for us to slow climate warming? | Hannah Ritchie, PhD


Listen Later

“I think the key point is that doesn't mean game over. That doesn't mean we're flipped into a world, and to a point of no return.”

**🌍 The 1.5°C Climate Goal Might Be Slipping Away — But It’s Not Game Over**

The once-ambitious goal of limiting global warming to 1.5°C? It’s likely no longer within reach, says a climate expert. But that’s not a reason to give up. Every fraction of a degree matters — and fighting for 1.6, 1.7, or 1.8°C still means reducing risk, damage, and loss.

The Paris Agreement aimed to keep temperatures "well below 2°C" and ideally at 1.5°C above pre-industrial levels. While 1.5°C now seems nearly impossible due to the sheer scale of emissions cuts required, staying under 2°C is *still* feasible — *if* countries hit their current targets.

What needs to change? Four key sectors:

**1. Energy** – Replace fossil fuels with low-carbon sources like solar, wind, geothermal, and especially **nuclear**, which has the *lowest land footprint*.

**2. Transport** – Shift to electric where possible, using decarbonized electricity.

**3. Food** – Reform agriculture, which uses *half* of all habitable land.

**4. Construction** – Build greener, more sustainable infrastructure.

The shift to renewables is now *economically viable*, with solar and wind already cheaper than coal or gas in many places. Land use fears? Overblown. Solar needs <1% of global land; even wind’s impact is mostly *visual*, not physical — and farming can continue around turbines. Nuclear, meanwhile, needs just 0.1% of land to power the world.

🌱 **The message is clear**: We may not hit 1.5°C, but every bit of progress still counts. The climate fight isn’t all or nothing — it’s a long game where every decimal degree saved can mean lives, ecosystems, and futures protected.

About Hannah Ritchie:

Dr. Hannah Ritchie is Senior Researcher in the Programme for Global Development at the University of Oxford. She is also Deputy Editor and Lead Researcher at Our World in Data. Her research appears regularly in the New York Times, The Economist, and the Financial Times, and in bestselling books including Steven Pinker’s Enlightenment Now. She is the author of Not the End of the World.

--------------------------

Learn more about your ad choices. Visit megaphone.fm/adchoices

...more
View all episodesView all episodes
Download on the App Store

Big ThinkBy bigthink

  • 2.4
  • 2.4
  • 2.4
  • 2.4
  • 2.4

2.4

10 ratings


More shows like Big Think

View all
Making Sense with Sam Harris by Sam Harris

Making Sense with Sam Harris

26,462 Listeners

Uncomfortable Conversations with Josh Szeps by Josh Szeps

Uncomfortable Conversations with Josh Szeps

836 Listeners

Into the Impossible With Brian Keating by Big Bang Productions Inc.

Into the Impossible With Brian Keating

1,048 Listeners

The Michael Shermer Show by Michael Shermer

The Michael Shermer Show

916 Listeners

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas by Sean Carroll | Wondery

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

4,142 Listeners

Quillette Podcast by Quillette

Quillette Podcast

806 Listeners

Within Reason by Alex J O'Connor

Within Reason

1,531 Listeners

The Origins Podcast with Lawrence Krauss by Lawrence M. Krauss

The Origins Podcast with Lawrence Krauss

488 Listeners

The Prof G Pod with Scott Galloway by Vox Media Podcast Network

The Prof G Pod with Scott Galloway

5,397 Listeners

Theories of Everything with Curt Jaimungal by Theories of Everything

Theories of Everything with Curt Jaimungal

467 Listeners

UnHerd with Freddie Sayers by UnHerd

UnHerd with Freddie Sayers

225 Listeners

Honestly with Bari Weiss by The Free Press

Honestly with Bari Weiss

8,721 Listeners

The Poetry of Reality with Richard Dawkins by Richard Dawkins

The Poetry of Reality with Richard Dawkins

81 Listeners

Conversations With Coleman by The Free Press

Conversations With Coleman

366 Listeners

The Moynihan Report by 2WAY

The Moynihan Report

115 Listeners