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Once a week, Michael Liebreich and Bryony Worthington have a conversation with a leader in clean energy, mobility, climate finance or sustainable development. Informative, inspiring and fun!
Once a week, Michael Liebreich and Bryony Worthington have a conversation with a leader in clean energy, mobility, climate finance or sustainable development. Informative, inspiring and fun!
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Here's a quick summary of the last 5 episodes on Cleaning Up: Leadership in an Age of Climate Change.
Hosts
Michael Liebreich
Bryony Worthington
Baroness Bryony Worthington
Previous Guests
Anders Lindberg
Anders Lindberg is the President of Energy and Executive Vice President at Wrtsil, a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. With a strong background in energy systems and sustainability, Anders has been instrumental in advocating for the transition to renewable energy sources. He has led initiatives that focus on integrating flexible generation into the energy grid to enhance reliability and reduce costs, particularly in the context of achieving net zero emissions by 2050.
Anders Lindberg is the President of Energy and Executive Vice President at Wrtsil, a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. With a strong background in energy systems and sustainability, Anders has been instrumental in advocating for the transition to renewable energy sources. He has led initiatives that focus on integrating flexible generation into the energy grid to enhance reliability and reduce costs, particularly in the context of achieving net zero emissions by 2050.
Jamie Beard
Jamie Beard is the founder of Project InnerSpace, an organization focused on advancing geothermal energy technologies. With a background in energy and environmental policy, Beard has been a prominent advocate for the potential of geothermal energy to transform the global energy landscape. She has worked extensively on the technical and economic challenges facing geothermal energy and believes it can leverage existing drilling expertise from the oil and gas sector to provide stable, clean power and heat. Beard's insights are informed by her experience in the energy sector and her commitment to sustainable development.
Jamie Beard is the founder of Project InnerSpace, an organization focused on advancing geothermal energy technologies. With a background in energy and environmental policy, Beard has been a prominent advocate for the potential of geothermal energy to transform the global energy landscape. She has worked extensively on the technical and economic challenges facing geothermal energy and believes it can leverage existing drilling expertise from the oil and gas sector to provide stable, clean power and heat. Beard's insights are informed by her experience in the energy sector and her commitment to sustainable development.
Michael Lewis
Michael Lewis is the CEO of Uniper, one of Germany's largest energy companies. He has played a pivotal role in steering the company through significant challenges, including the financial turmoil following the Russian invasion of Ukraine, which led to unprecedented losses for the company. Under his leadership, Uniper has focused on returning to profitability and setting ambitious climate targets, aiming to transition towards more sustainable energy solutions.
Michael Lewis is the CEO of Uniper, one of Germany's largest energy companies. He has played a pivotal role in steering the company through significant challenges, including the financial turmoil following the Russian invasion of Ukraine, which led to unprecedented losses for the company. Under his leadership, Uniper has focused on returning to profitability and setting ambitious climate targets, aiming to transition towards more sustainable energy solutions.
Dr Niall Conroy
Dr Niall Conroy is a dedicated physician who established a neonatal intensive care unit at the Bo Government Hospital in Sierra Leone. He has been instrumental in training staff to provide high-quality care for vulnerable newborns, addressing critical issues such as the need for reliable electricity to power incubators and oxygen separators.
Dr Niall Conroy is a dedicated physician who established a neonatal intensive care unit at the Bo Government Hospital in Sierra Leone. He has been instrumental in training staff to provide high-quality care for vulnerable newborns, addressing critical issues such as the need for reliable electricity to power incubators and oxygen separators.
Nurse Juliana Conteh
Nurse Juliana Conteh is a healthcare professional working at the Bo Government Hospital in Sierra Leone. She plays a vital role in the neonatal intensive care unit, providing essential care and support to newborns and their families.
Nurse Juliana Conteh is a healthcare professional working at the Bo Government Hospital in Sierra Leone. She plays a vital role in the neonatal intensive care unit, providing essential care and support to newborns and their families.
Nurse Columbia Samuella Bull
Nurse Columbia Samuella Bull is a nurse at the Bo Government Hospital, contributing to the care of newborns in the neonatal intensive care unit. Her work is crucial in ensuring that vulnerable infants receive the medical attention they need.
Nurse Columbia Samuella Bull is a nurse at the Bo Government Hospital, contributing to the care of newborns in the neonatal intensive care unit. Her work is crucial in ensuring that vulnerable infants receive the medical attention they need.
Mohammed Kargbo
Mohammed Kargbo is associated with the Bo Government Hospital in Sierra Leone, where he supports the neonatal intensive care unit. His involvement is part of the broader effort to improve healthcare for newborns in the region.
Mohammed Kargbo is associated with the Bo Government Hospital in Sierra Leone, where he supports the neonatal intensive care unit. His involvement is part of the broader effort to improve healthcare for newborns in the region.
Topics Discussed
renewables
grid
fossil fuels
net zero
electricity supply
gas generation
Wrtsil
Crossroads to Net Zero report
Geothermal energy
oil and gas industry
clean power
renewable energy
energy landscape
technical challenges
economic challenges
Uniper
Germany
gas prices
energy companies
nationalisation
climate targets
leadership
Trump
climate policy
coal-fired power plants
environmental standards
trade war
global tariffs
energy transition
net-zero
solar system
neonatal intensive care
electricity
Sierra Leone
Project Bo
newborn care
power cuts
Once a week, Michael Liebreich and Bryony Worthington have a conversation with a leader in clean energy, mobility, climate finance or sustainable development. Each episode covers the technical ground on some aspect of the low-carbon transition – but it also delves into the nature of leadership in the climate transition: whether to be optimistic or pessimistic; how to communicate in order to inspire change; personal credos; and so on. And it should be fun – most of the guests are Michael’s and Bryony's friends.
Here's the recent few episodes on Cleaning Up: Leadership in an Age of Climate Change.
0:001:02:44
Can You Run a Grid Entirely On Renewables? Ep208: Anders Lindberg
Hosts
Hosts of this podcast episode
Michael LiebreichBryony Worthington
Guests
Guests of this podcast episode
Anders Lindberg
Keywords
Keywords of this podcast episode
renewablesgridfossil fuelsnet zeroelectricity supplygas generationWrtsilCrossroads to Net Zero report
Can You Run A Grid Without Fossil Fuels?
"Yes," says Anders Lindberg, President of Energy and Executive VP at Wärtsilä, on this week's episode of Cleaning Up. It'll just cost €65 trillion extra by 2050.
Anders' team at Wärtsilä has recently published its Crossroads to Net Zero report, which argues that keeping a little bit of flexible generation on the grid will save huge amounts of money as the globe strives for net zero, while also speeding up the transition to renewables. The argument centres on what to do with the last few percent of power supply, and what forms of generation need to be built to ensure consistent electricity supply and prevent black or brown outs.
Perhaps unsurprisingly for a gas engine manufacturer, Wärtsilä's report makes the case that gas should provide the last few percentage points of electricity generation. Michael Liebreich puts that claim to the test.
Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Can You Run A Grid Without Fossil Fuels?
"Yes," says Anders Lindberg, President of Energy and Executive VP at Wärtsilä, on this week's episode of Cleaning Up. It'll just cost €65 trillion extra by 2050.
Anders' team at Wärtsilä has recently published its Crossroads to Net Zero report, which argues that keeping a little bit of flexible generation on the grid will save huge amounts of money as the globe strives for net zero, while also speeding up the transition to renewables. The argument centres on what to do with the last few percent of power supply, and what forms of generation need to be built to ensure consistent electricity supply and prevent black or brown outs.
Perhaps unsurprisingly for a gas engine manufacturer, Wärtsilä's report makes the case that gas should provide the last few percentage points of electricity generation. Michael Liebreich puts that claim to the test.
Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
0:0044:42
Is Geothermal The Future For Oil & Gas? Ep207: Jamie Beard
Hosts
Hosts of this podcast episode
Bryony Worthington
Guests
Guests of this podcast episode
Jamie Beard
Keywords
Keywords of this podcast episode
Geothermal energyoil and gas industryclean powerrenewable energyenergy landscapetechnical challengeseconomic challenges
Geothermal seems to have found new favour under Donald Trump's presidency, but can it ever live up to its potential? Will the oil and gas industry reinvent itself before becoming obsolete? And how might geothermal energy change the global energy landscape?
This week on Cleaning Up, Bryony Worthington talks to Jamie Beard, founder of Project InnerSpace, about why geothermal energy has never lived up to its hype, and whether it has the potential do so. Currently generating less than 1% of global energy, Beard believes that geothermal could become a game-changing technology that can leverage existing drilling expertise from the oil and gas sector to provide 24/7 energy.
Beard breaks down the technical and economic challenges facing geothermal energy, exploring its potential to provide stable, clean power and heat across different global regions. From the United States to India, she outlines how next-generation geothermal technologies could offer a more consistent renewable energy solution.
This conversation was recorded live at Geothermal House, as part of San Francisco Climate week.
Leadership Circle: Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Geothermal seems to have found new favour under Donald Trump's presidency, but can it ever live up to its potential? Will the oil and gas industry reinvent itself before becoming obsolete? And how might geothermal energy change the global energy landscape?
This week on Cleaning Up, Bryony Worthington talks to Jamie Beard, founder of Project InnerSpace, about why geothermal energy has never lived up to its hype, and whether it has the potential do so. Currently generating less than 1% of global energy, Beard believes that geothermal could become a game-changing technology that can leverage existing drilling expertise from the oil and gas sector to provide 24/7 energy.
Beard breaks down the technical and economic challenges facing geothermal energy, exploring its potential to provide stable, clean power and heat across different global regions. From the United States to India, she outlines how next-generation geothermal technologies could offer a more consistent renewable energy solution.
This conversation was recorded live at Geothermal House, as part of San Francisco Climate week.
Leadership Circle: Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
When Russia unleashed its illegal and unprovoked invasion of Ukraine in February 2022, gas prices in Europe spiked by a factor of 10, driving a wave of bankruptcies and restructurings of European energy companies. Uniper was one of those.
Uniper is one of Germany's largest energy companies. It is active across more than 40 countries and has 19.5 GW of power generation capacity to its name. It was one of the funders of the built-but-never-used Nord Stream 2 gas pipeline that connects Russia to Germany and, for most of its history, was heavily reliant on Russian gas.
So when the gas taps from Russia were turned off, Uniper reported losses of $40 billion — the highest losses in German corporate history — and was subsequently nationalised by the German government. The company has since returned to profitability under its new CEO, Michael Lewis, our guest this week on Cleaning Up.
Michael Lewis joins Michael Liebreich to discuss the company's rise from the ashes, and how it plans to reach its climate targets and overcome the dunkelflaute.
Leadership Circle: Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
When Russia unleashed its illegal and unprovoked invasion of Ukraine in February 2022, gas prices in Europe spiked by a factor of 10, driving a wave of bankruptcies and restructurings of European energy companies. Uniper was one of those.
Uniper is one of Germany's largest energy companies. It is active across more than 40 countries and has 19.5 GW of power generation capacity to its name. It was one of the funders of the built-but-never-used Nord Stream 2 gas pipeline that connects Russia to Germany and, for most of its history, was heavily reliant on Russian gas.
So when the gas taps from Russia were turned off, Uniper reported losses of $40 billion — the highest losses in German corporate history — and was subsequently nationalised by the German government. The company has since returned to profitability under its new CEO, Michael Lewis, our guest this week on Cleaning Up.
Michael Lewis joins Michael Liebreich to discuss the company's rise from the ashes, and how it plans to reach its climate targets and overcome the dunkelflaute.
Leadership Circle: Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Trump vs The Transition, The Pope’s Climate Legacy & The High Price of UK Electricity — Ep205
Hosts
Hosts of this podcast episode
Michael LiebreichBaroness Bryony Worthington
Keywords
Keywords of this podcast episode
Trumpclimate policycoal-fired power plantsenvironmental standardstrade warglobal tariffsenergy transitionnet-zero
In 100 short days, the world has transformed. Since the reelection of President Donald Trump, US federal climate policy has largely been abandoned, with the government seeking to reopen coal-fired power plants and lower environmental standards.
An escalating trade war and global tariffs has sent the rest of the world reeling and threatened the global financial system with collapse. China has come under particular fire, but the US has also targeted its closest allies and neighbours — Canada, Mexico and the EU — with tariffs.
Any sense of certainty has been thrown out of the window as a more inward looking US seeks to reshape the global order. So what does all this mean for the energy transition, and plans to reach net-zero? Michael Liebreich and Baroness Bryony Worthington join forces for the opening episode of Season 15 of Cleaning Up to discuss.
Leadership Circle: Cleaning Up is supported by the Leadership Circle: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Discover more:
Cleaning Up’s Sierra Leone Documentary: https://www.youtube.com/watch?v=z-5QjSfy2SM
Cleaning Up’s interview with Mark Carney: https://www.youtube.com/watch?v=HtA5ufMzKAU
Ember’s Global Electricity Review: https://ember-energy.org/latest-insights/global-electricity-review-2025/
Michael’s AI Update on Deepseek: https://mliebreich.substack.com/p/ai-data-centre-power-and-glory-an
Michael’s retreat inside an old millhouse: https://lemoulindabondance.com/
In 100 short days, the world has transformed. Since the reelection of President Donald Trump, US federal climate policy has largely been abandoned, with the government seeking to reopen coal-fired power plants and lower environmental standards.
An escalating trade war and global tariffs has sent the rest of the world reeling and threatened the global financial system with collapse. China has come under particular fire, but the US has also targeted its closest allies and neighbours — Canada, Mexico and the EU — with tariffs.
Any sense of certainty has been thrown out of the window as a more inward looking US seeks to reshape the global order. So what does all this mean for the energy transition, and plans to reach net-zero? Michael Liebreich and Baroness Bryony Worthington join forces for the opening episode of Season 15 of Cleaning Up to discuss.
Leadership Circle: Cleaning Up is supported by the Leadership Circle: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Discover more:
Cleaning Up’s Sierra Leone Documentary: https://www.youtube.com/watch?v=z-5QjSfy2SM
Cleaning Up’s interview with Mark Carney: https://www.youtube.com/watch?v=HtA5ufMzKAU
Ember’s Global Electricity Review: https://ember-energy.org/latest-insights/global-electricity-review-2025/
Michael’s AI Update on Deepseek: https://mliebreich.substack.com/p/ai-data-centre-power-and-glory-an
Michael’s retreat inside an old millhouse: https://lemoulindabondance.com/
0:0038:26
We Built a Solar System That's Saving Babies’ Lives — Ep204: Project Bo, Sierra Leone
Hosts
Hosts of this podcast episode
Michael Liebreich
Guests
Guests of this podcast episode
Dr Niall ConroyNurse Juliana ContehNurse Columbia Samuella BullMohammed Kargbo
Keywords
Keywords of this podcast episode
solar systemneonatal intensive careelectricitySierra LeoneProject Bonewborn carepower cuts
In Sierra Leone, a 20-minute power cut can be the difference between life and death for newborn babies.
In 2013, an extraordinary doctor called Dr Niall Conroy set up a neonatal intensive care unit at the Bo Government Hospital, in Sierra Leone's second largest city, and set about training the staff to give the best possible care to the desperately vulnerable babies who were admitted. But there was one problem he couldn't solve: electricity.
Babies need warmth, and that means electrically powered incubators, and they need oxygen, which means oxygen separators, and the nurses need light in order to work. However in Sierra Leone, there are power cuts almost daily. They can be a few minutes, they can be hours, or they can last days.
In 2017, Michael Liebreich heard about this problem and put together a group of friends and supporters to create Project Bo. Since then, the neonatal intensive care unit has had a solar system and batteries installed, and hundreds of babies’ lives have been saved due to a reliable electricity supply.
Eight years on, Michael visits Project Bo for the first time to see how the system is performing, meet the medical professionals working there, and find out if there's anything else that we can do to improve it.
Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Credits:
Presented by Michael Liebreich
Written by Oscar Boyd & Michael Liebreich
Filmed, Produced & Edited by Oscar Boyd
Graphics by Jamie Oliver
Logistics: Jo Jagger & Alexandra McInerney
Special thanks to Dr Niall Conroy, Nurse Juliana Conteh, Nurse Columbia Samuella Bull, Mohammed Kargbo, as well as to the team at Bo Government Hospital, and the mothers who spoke with us for this documentary.
In Sierra Leone, a 20-minute power cut can be the difference between life and death for newborn babies.
In 2013, an extraordinary doctor called Dr Niall Conroy set up a neonatal intensive care unit at the Bo Government Hospital, in Sierra Leone's second largest city, and set about training the staff to give the best possible care to the desperately vulnerable babies who were admitted. But there was one problem he couldn't solve: electricity.
Babies need warmth, and that means electrically powered incubators, and they need oxygen, which means oxygen separators, and the nurses need light in order to work. However in Sierra Leone, there are power cuts almost daily. They can be a few minutes, they can be hours, or they can last days.
In 2017, Michael Liebreich heard about this problem and put together a group of friends and supporters to create Project Bo. Since then, the neonatal intensive care unit has had a solar system and batteries installed, and hundreds of babies’ lives have been saved due to a reliable electricity supply.
Eight years on, Michael visits Project Bo for the first time to see how the system is performing, meet the medical professionals working there, and find out if there's anything else that we can do to improve it.
Cleaning Up is supported by the Leadership Circle, and its founding members: Actis, Alcazar Energy, Davidson Kempner, EcoPragma Capital, EDP of Portugal, Eurelectric, the Gilardini Foundation, KKR, National Grid, Octopus Energy, Quadrature Climate Foundation, SDCL and Wärtsilä. For more information on the Leadership Circle, please visit https://www.cleaningup.live.
Credits:
Presented by Michael Liebreich
Written by Oscar Boyd & Michael Liebreich
Filmed, Produced & Edited by Oscar Boyd
Graphics by Jamie Oliver
Logistics: Jo Jagger & Alexandra McInerney
Special thanks to Dr Niall Conroy, Nurse Juliana Conteh, Nurse Columbia Samuella Bull, Mohammed Kargbo, as well as to the team at Bo Government Hospital, and the mothers who spoke with us for this documentary.
Ratings
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