TED unveils Countdown, a major global campaign to cut greenhouse gas emissions. Partnering with scientists, policymakers, and activists, this initiative invites everyone to participate. Learn how

TED unveils Countdown, a major global campaign to cut greenhouse gas emissions. Partnering with scientists, policymakers, and activists, this initiative invites everyone to participate. Learn how to get involved and help turn the tide on climate at countdown.ted.com.

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The Paris Agreement, three years on, sparks debate about its ambition and effectiveness. While it provides predictability for climate action, experts note we're "not doing enough" for the 1.5°

The Paris Agreement, three years on, sparks debate about its ambition and effectiveness. While it provides predictability for climate action, experts note we're "not doing enough" for the 1.5° warming target. Trevor Houser cautions against a binary view; progress has already averted suffering, and more benefits are achievable while aiming for 1.5°-2°.

Rapid global decarbonization, focused on carbon reduction, is crucial. Joshua Goldstein emphasizes that U.S. climate leadership is vital; its absence hinders other nations' goals. Staffan Qvist cites Sweden's successful hydro and nuclear grid, contrasting it with Germany's problematic 100% renewables pursuit.

Source: climateone.org

Climate scientist Katharine Hayhoe warns that with each passing decade, humanity faces escalating risks across vital areas including health, infrastructure, food, and water.

She emphasizes

Climate scientist Katharine Hayhoe warns that with each passing decade, humanity faces escalating risks across vital areas including health, infrastructure, food, and water.

She emphasizes that we are effectively rolling increasingly loaded dice, highlighting the growing dangers we confront.

Katharine Mach explains that warmer oceans and rising temperatures have "baked-in" momentum. Their effects will persist for decades and centuries, even if global emissions ceased

Katharine Mach explains that warmer oceans and rising temperatures have "baked-in" momentum. Their effects will persist for decades and centuries, even if global emissions ceased immediately.

However, Mach emphasizes that the true challenge lies not with these environmental changes, but with human systems.

Stephen H. Schneider Award recipient Katharine Hayhoe states that intelligence does not predict an individual's feelings about climate change. Instead, the most significant factor is one's

Stephen H. Schneider Award recipient Katharine Hayhoe states that intelligence does not predict an individual's feelings about climate change. Instead, the most significant factor is one's position on the political spectrum.

Hayhoe emphasizes that political alignment is the primary determinant of climate change perspectives. Therefore, initiating discussions from a foundation of shared identity is essential for effective communication on the topic.

Atmospheric scientist Katharine Hayhoe's research highlights the Arctic's significant potential for dangerous climate feedback. However, the primary concern isn't the melting ice

Atmospheric scientist Katharine Hayhoe's research highlights the Arctic's significant potential for dangerous climate feedback. However, the primary concern isn't the melting ice itself.

Instead, the danger lies in the vast fossil fuel resources that would become accessible with sea ice loss. Exploiting these reserves would inevitably lead to the complete failure of the Paris Agreement.

The forthcoming COP24 climate agreement must possess "teeth," meaning a rigorous, peer-reviewed set of rules.

This critical requirement is highlighted by Katharine Mach, Senior Research

The forthcoming COP24 climate agreement must possess "teeth," meaning a rigorous, peer-reviewed set of rules.

This critical requirement is highlighted by Katharine Mach, Senior Research Scientist at Stanford University.

Katharine Mach, a senior research scientist at Stanford University, explores the complex issue of climate migration.

Her research details both the positive and negative impacts of this

Katharine Mach, a senior research scientist at Stanford University, explores the complex issue of climate migration.

Her research details both the positive and negative impacts of this global phenomenon.

Stanford University senior research scientist Katharine Mach discusses the accelerating rates of global ocean rise and future projections.

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