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Charles III

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Elon Musk

Joe Biden

Nancy Pelosi

Xi Jinping

Rishi Sunak

Kamala Harris

Justin Trudeau

Narendra Modi

Bill Gates

Pope Francis

Janet Yellen

Emmanuel Macron

Olaf Scholz

Angela Merkel

Yuval Noah Harari

António Guterres

Alexandria Ocasio-Cortez

Barack Obama

Kofi Annan

Michael Mann

James Inhofe

Greta Thunberg

David Attenborough

Giorgia Meloni

Patrick Michaels

Jane Goodall

Bjorn Lomborg

Freeman Dyson

"[C]limate change is just a very, very expensive form of tax."

"I believe in climate change caused by human beings. What I'm skeptical about is the glib notion that it means the end of the world as we know it."

"The clock is no longer just ticking, it is banging."

"There is no long-term prosperity without action on climate change."

"The time for seeking global solutions [to climate change] is running out."

"The climate crisis is the existential threat. That's not hyperbole; it's a fact."

"[W]e are killing our planet."

Climate change is "above all, an existential crisis."

"Climate change is one of the greatest challenges mankind faces."

"If we don't take action, the collapse of our civilisations and the extinction of much of the natural world is on the horizon."

"Humanity is on thin ice — and that ice is melting fast."

"We haven't yet exceeded the bounds of viable human civilisation, but we're getting close."

Is Climate Change an Existential Threat?

Biden NASA

Adam Frank

Emily Gilbert

Larissa Palethorpe

Ingo Waldmann

Andrew Fraknoi

Amaury Triaud

Hiroyuki Tako Ishikawa

Keming Zhang

Dirk Schulze-Makuch

Arwen E Nicholson

"There is no planet B [habitable to human beings]."

"I would never say we can never reach the stars and possible habitable planets."

"The discovery of Gliese 12 b is a stepping stone towards finding potentially habitable planets."

The discovery of several smaller and cooler stars is "the best bet for finding habitable planets."

"[W]e're more likely to detect planets in the habitable zone with TESS [NASA's Transiting Exoplanet Survey Satellite]."

Will We Find Another Inhabitable Planet?

The planet recorded its third hottest year in 2025, with global temperatures averaging 1.47 degrees Celsius above pre-industrial levels. The last 11 years have been the warmest on record, with 2024 remaining the hottest year and 2023 in second place.

The planet recorded its third hottest year in 2025, with global temperatures averaging 1.47 degrees Celsius above pre-industrial levels. The last 11 years have been the warmest on record, with 2024 remaining the hottest year and 2023 in second place.

For the first time, global temperatures exceeded 1.5 degrees Celsius relative to pre-industrial times on average over a three-year period from 2023 to 2025. This threshold could be reached by the end of this decade, over a decade earlier than predicted.

For the first time, global temperatures exceeded 1.5 degrees Celsius relative to pre-industrial times on average over a three-year period from 2023 to 2025. This threshold could be reached by the end of this decade, over a decade earlier than predicted.

The Antarctic experienced its warmest year on record while the Arctic saw its second hottest year in 2025. Sea ice at both poles was at record lows, and approximately 770 million people experienced record-warm annual conditions where they live.

The Antarctic experienced its warmest year on record while the Arctic saw its second hottest year in 2025. Sea ice at both poles was at record lows, and approximately 770 million people experienced record-warm annual conditions where they live.

President Donald Trump announced the United States would withdraw from the bedrock UN climate treaty and cease support for the Intergovernmental Panel on Climate Change. Emissions rose in the United States last year by about 2.4 percent, snapping a two-year streak of declines.

President Donald Trump announced the United States would withdraw from the bedrock UN climate treaty and cease support for the Intergovernmental Panel on Climate Change. Emissions rose in the United States last year by about 2.4 percent, snapping a two-year streak of declines.

Ocean temperatures in 2025 were among the highest on record, with about 33 percent of the global ocean area ranking among its historical top three warmest conditions. Oceans absorb over 90 percent of excess heat generated by human-caused greenhouse gas emissions.

Ocean temperatures in 2025 were among the highest on record, with about 33 percent of the global ocean area ranking among its historical top three warmest conditions. Oceans absorb over 90 percent of excess heat generated by human-caused greenhouse gas emissions.

Extreme weather events affected all continents in 2025, with notable heatwaves and storms impacting Europe, Asia and North America. The year was one of the costliest for climate disasters globally and the third-highest year for billion-dollar disasters in the United States.

Extreme weather events affected all continents in 2025, with notable heatwaves and storms impacting Europe, Asia and North America. The year was one of the costliest for climate disasters globally and the third-highest year for billion-dollar disasters in the United States.

2025 Third Hottest Year as Temps Hit 1.47°C Above Normal

2025 wasThird theHottest world'sYear third-warmestas yearTemps onHit record1.47°C Above Normal

The Controversies

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Sunak

Francis

Biden

Macron

Thunberg

Merkel

Attenborough

Guterres

Mann

Nicholson

Fraknoi

Ishikawa

NASA

Palethorpe

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