Is Canada a climate leader or a fossil-fueled dinosaur? And what will the recent ascension of Mark Carney as Prime Minister mean for the country’s climate agenda - both domestically and on the world stage?

In the second of our country deep-dives, Christiana Figueres and Tom Rivett-Carnac speak with Catherine McKenna, Canada’s former Minister of Environment and Climate Change, to discuss the mixed history, uncertain present and possible futures of the nation’s climate record.

As Canada’s representative at the COP 21 negotiations in Paris, Catherine set the tone for the decade that has followed, during which time the country has increasingly engaged in international climate leadership. Back home, she also spearheaded an innovative carbon pricing system, which, though not always popular, attempted to shift the nation away from its fossil fuel dependency while delivering an economic net benefit for most Canadians.

While former Bank of England and Bank of Canada Governor Mark Carney has become widely known as a climate progressive, his first act in office was to end this carbon tax, leading many to question how his climate ideals will fare in the face of political reality. Catherine reflects on why the tax was scrapped, and the lessons that must be learned if we are to defend climate action.

Along with Paul Dickinson, Christiana and Tom consider the challenges facing former Outrage + Optimism guest Carney as he takes the helm of one of the G20’s highest emitters, and ask if we’re witnessing a wider backlash against corporate net zero commitments.

Learn more

📚Read: U.S. Senator Sheldon Whitehouse’s letter seeking information about the Department of Justice and FBI investigation into the Environmental Protection Agency’s Greenhouse Gas Reduction Fund and the reported freezing of grant money awarded from that fund.

🏭 Mark Carney’s statement on his decision to scrap the carbon tax

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Producer: Ben Weaver-Hincks

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

How can the law be used to champion human rights, drive progress and fight for climate justice? Paul Dickinson is joined by Laura Clarke, CEO of ClientEarth, the non-profit lawyers for the planet working to protect life on Earth.

Laura shares how ClientEarth has successfully challenged corporate greenwashing, from the Dutch courts ruling against airline KLM for misleading customers, to forcing a Polish company to change the misleading name of its ‘eco-pea coal’. And beyond corporate accountability, how they take on national governments to ensure they uphold their environmental commitments.

In this latest in our series on the new levers of change, co-presenters Tom Rivett-Carnac and Christiana Figueres join Paul to reflect on the ways in which law, climate and justice intersects. Christiana shares her excitement on the new ways in which the ‘web of jurisprudence’ is being woven in a field with little legal precedent.

Plus, each share their take on the news that former Outrage + Optimism guest Mark Carney will become the next Prime Minister of Canada. How will he deal with President Trump amid the ongoing US-Canada trade war?

Learn more

💼 ClientEarth case study: KLM Greenwashing found illegal

https://www.clientearth.org/latest/news/we-re-joining-legal-action-against-dutch-airline-klm-for-greenwashing/

📖 Read more about ClientEarth https://uk.bookshop.org/p/books/client-earth-james-thornton/3713181?ean=9781911344810

⚖️ Learn about how young people are taking action in court https://www.kcl.ac.uk/climate-law/assets/climatechangeandyoungpeople-shortversion.pdf

🛢️ Find out how big oil’s campaign financing for Donald Trump’s re-election may have prevented a congressional investigation

https://www.theguardian.com/us-news/2025/mar/06/big-oil-investigation-congress-republicans

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Producer: Jarek Zaba

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

Are women the key to solving the climate crisis? Why are they - and children - so disproportionately affected by the issue? And how can men step up to support change?

To mark International Women’s Day, Christiana Figueres is joined by top climate scientist Dr Katharine Hayhoe.

As well as being Distinguished Professor and Endowed Chair at Texas Tech University, Katharine is an influential voice in communicating science at the ‘kitchen table’ level. She and Christiana reflect on the barriers women face in STEM roles, Katharine’s work with Science Moms highlights the impact of the crisis on children and the power of women in conversations about the climate.

Women make up just over a third of STEM professionals in the United States and only a quarter of earth science professors globally. In an era where diversity, equity and inclusion initiatives are being rolled back by President Donald Trump’s government, there’s never been a more urgent need for diverse voices in science. Leading data scientist Hannah Ritchie asks how we communicate in this new landscape.

Plus, Katharine shares how her Evangelical Christian faith fuels—rather than conflicts with—her climate work, as she and Christiana they celebrate how love can be the driving force for all genders to unite for climate justice.

Together with Christiana, co-hosts Tom Rivett-Carnac and Paul Dickinson reflect on why diverse perspectives lead to better solutions and ask how men can support greater gender equality in STEM. Throughout, we hear from incredible women worldwide with inspiring messages for International Women’s Day. From Pat Mitchell and her work on Project Dandelion to Natalie Isaacs of 1 Million Women - plus a rallying cry from Fabian Dattner of Homeward Bound.

Learn more

📺 Watch the Science Moms campaign ad broadcast during the Superbowl

🗣️ Read the Science Moms guide on how to talk about climate change with friends, family, or strangers

🤩 Be inspired by Katharine Hayhoe’s TED Talk

📩 And check out our newsletter!

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Producer: Jarek Zaba

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

Development programmes across the world are still reeling from the swingeing cuts to USAID, whilst other western nations such as the UK and Germany have announced plans to scale back their own aid commitments.

With Mike Bloomberg agreeing to fill the gap in climate funding left by the US's withdrawal from Paris, is it up to wealthy philanthropists to fill the hole of state funding? Is it realistic or appropriate for them to do so? And do competing interests from funders compromise work on the ground?

Tom Rivett-Carnac, Christiana Figueres and Paul Dickinson examine the potential for a slippery slope in which governments increasingly abdicate their responsibilities for minimising problems for people and the planet.

To delve into the topic more broadly, Christiana speaks to Helen Mountford, president and CEO of ClimateWorks Foundation, a global platform of researchers, strategists and grantmakers aiming to end the climate crisis by amplifying the power of philanthropy.

Since 2008, ClimateWorks has granted over $2 billion to more than 850 grantees in over 50 countries. Whether electric vehicles or clean cooling for air conditioning units, Helen cites examples of philanthropic programmes that not only tackle climate destruction but also improve standard of living for people. And after expressing some much justified outrage, Christiana and Helen agree on a moment of optimism for bottom-up community coordination.

Learn more:

📖 Read up on the ClimateWorks Clean Cooling programme.

🧑‍🎓Learn more about wider trends of slashing global aid

💬 Let us know whether you think philanthropy can or should fill the gap left by governments by sending us a voice note!

🎟️Be a part of it: We’re very excited to announce we are hosting an event at The Conduit Club in London on the 22nd March and we’d like to invite you, our wonderful listeners, to join us. We’ll have just been to see the West End play Kyoto, an incredible dramatisation of the 1997 Climate Summit and will be hosting an evening of thought-provoking conversations with key insiders who were in the room at this negotiation, plus activists and thought leaders who can help us think about how we shape the next chapter of climate action. Click here to find out how to get your tickets.

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Producer: Jarek Zaba

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

How does a nation transform its forest coverage from 21% to 60% in half a century? What are the policies that can place nature at the very heart of political thinking? And why does Christiana Figueres see a picture of her dad when she visits an ATM?

Christiana is joined in her home country by co-hosts Tom Rivett-Carnac and Paul Dickinson as they explore Costa Rica’s remarkable history and constitutionally guaranteed environmental safeguards. Our resident expert explains her very deep personal bond to her country’s politics as her father, former President José Figueres Ferrer, was also the father of the Second Republic, most famous for abolishing the country’s army.

It is perhaps Costa Rica’s policies towards nature that truly elevates this nation above its peers, from its drive on rewilding to carbon taxes. But this incredible progress is now under threat: Christiana and former President Luis Guillermo Solís reflect on the populist Trump-like measures implemented by the current administration, including plans for a regressive return to fossil fuels. Will the government go through with it?

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Learn more:

📝 Check out Article 50 of the constitution of Costa Rica:

All persons have the right to a healthy and ecologically balanced environment. For that, they are legitimated to denounce the acts that infringe this right and to claim reparation for the damage caused.

🌱 Read about the human right to a healthy environment

💬 Have a suggestion for another country case study? Let us know by sending us a voice note!

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Producer: Jarek Zaba

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

What is the future of climate action? Having previously interrogated the failures of multilateralism in the years since the Paris Agreement was signed, Christiana Figueres, Tom Rivett-Carnac and Paul Dickinson look to the future and the alternative ‘levers of change’ that will tackle the climate crisis.

These avenues are needed now more than ever after a whirlwind of executive orders and policies passed by President Donald Trump’s administration. These have placed climate action firmly in its crosshairs, whilst conflating it with other conservative talking points such as transgender rights and Diversity, Equity and Inclusion programmes.

So what other levers can be pulled? Whether it’s the utilisation of technology; our interaction with the worlds of business and finance; mass engagement with the public at large; climate litigation that moves the debate into the courtroom; and the role of young people – not just as campaigners, but also as corporate advisors. Will these approaches help bypass increasing obstructionism in the fight for climate justice?

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📊 Check out the graphs Paul mentioned about the power of wind and solar generation, as well as EV and battery sales!

💡 Learn more about Flooded People UK

💬 Have we missed any exciting levers of change? Let us know by sending us a voice note!

📺 WATCH: 10 years on from Paris, Christiana Figueres is forced to confront her negotiation style: “There’s no one less diplomatic than I am!”

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Producer: Jarek Żaba

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

Christiana Figueres, the driving force behind the groundbreaking Paris Climate Agreement, reflects on the high-stakes negotiations that reshaped the global fight against climate change in the year that marks its ten-year anniversary. With the fate of the planet hanging in the balance, she reveals the relentless pushback from the fossil fuel lobby, and the ever-shifting geopolitical tensions that threaten progress. Will the world stay on course, or are we teetering on the edge of climate catastrophe?

Co-hosts Paul Dickinson and Tom Rivett-Carnac recall the final hours of the deal being adopted, the extraordinary feeling of seeing the world come together in unanimous support of climate action and make their predictions for how the business and political worlds will move forward in a new era of leadership. As Donald Trump kicks off his second term with a raft of immigration policies, the hosts discuss how the number of people set to be displaced due to climate is set to exceed a billion by 2050. Plus, whether 2025 is the year the insurance industry reaches an existential crisis as climate-related weather events, like the LA fires, become uninsurable.

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Want to share your views on how the Paris Climate Agreement changed the course of history? Send us a voice note!

Or understand more about today's episode:

• Read about the state of California’s lawsuit against big oil.
• Dive into the 25-page Paris Climate Agreement, or read the preamble for all the crucial context as recommended by Christiana Figueres.

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Producer: Nina Pullman

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.

What’s an NDC? What does El Niño tell us about global temperatures this year? And why could a landmark ICJ ruling unlock a wave of climate legal cases? Christiana Figueres, Tom Rivett-Carnac, and Paul Dickinson break down the climate acronyms and buzzwords you need to know in 2025.

With a crucial year ahead for climate action, this podcast is your essential guide to the key terms shaping global discussions. From breaking down BRICS to how President Donald Trump’s return to the White House will change the climate conversation. Plus, Paul finally decodes the ultimate acronym soup of climate finance jargon and the hosts discuss whether scrapping acronyms altogether could make the climate conversation more accessible.

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Are there any major climate acronyms you think we missed? Send us a voice note!

Follow us on social media for behind the scenes moments and to watch our videos:

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Producer: Nina Pullman

Video Producer: Caitlin Hanrahan

Exec Producer: Ellie Clifford

Commissioning Editor: Sarah Thomas

This is a Persephonica production for Global Optimism and is part of the Acast Creator Network.

Hosted on Acast. See acast.com/privacy for more information.