Episodes

Are we losing the argument that climate change requires action and investment? Can we balance the need for affordable energy with the costs of decarbonizing hard-to-abate sectors like steel, cement and aviation? And how can we counter the spread of misinformation and populist narratives that undermine support for clean energy? This week on Cleaning Up, Michael Liebreich welcomes back Lord Adair Turner for a deep dive into the state of the energy transition at the end of 2024. They discuss the...

Climate philanthropies are playing an increasingly important role in funding climate action. In 2023, an estimated $9-16 billion was spent by philanthropies on programs to mitigate climate change. But how do they choose how to spend it? And what role should philanthropy play in catalysing innovation? Bryony Worthington sits down with Greg de Temmerman, Deputy CEO of the Quadrature Climate Foundation, to explore these critical questions. As a former plasma physicist who worked on the world's l...

What was achieved at COP29 in Baku, Azerbaijan? Where will the promised $300 billion come from, and how will it be spent? And what reforms are needed to make the COP process more effective and impactful? This week, host Michael Liebreich sits down with James Cameron, an international climate lawyer who has been involved with the COP process since before COPs were COPs. James shares his insights into the challenges and dynamics of these high-stakes global talks, from the crucial role of small ...

As we race towards a future powered by AI and data centres, how will the insatiable demand for energy impact the environment? With the richest companies ploughing billions into energy generation, might there be some unexpected upsides for the climate transition? And can exponential technologies address the climate crisis on a finite planet? This week on Cleaning Up, host Michael Liebreich sits down with Azeem Azhar, founder of Exponential View, to explore the complex relationship between expo...

How can behavioural science and psychology be leveraged to drive meaningful change around climate action? What unintended consequences might arise from heavy-handed government mandates versus more subtle interventions? And in the face of the climate crisis, is it ethical to actively promote the use of fossil fuels? This week on Cleaning Up, Michael welcomes Ogilvy UK Vice-chair Rory Sutherland to explore the role of psychology and behavioural science in tackling the climate challenge. Rather ...

Is China's lead in clean technologies insurmountable? How will the Trump presidency shape relations with China? And when will China's emissions peak? Fatih Birol, head of the International Energy Agency, has said that 'almost every energy story is essentially a China story. But it's a complicated story that has been powered by vast supplies of coal. China's economy has grown rapidly, with per capita levels of energy consumption now matching Europe's, making it the world's largest emitter of g...

How will the Trump administration's policies impact the clean energy transition in the United States? What will be Elon Musk's role in shaping climate policy? And what are the geopolitical implications of the US withdrawing from the Paris Agreement? In this special episode of Cleaning Up, hosts Michael Liebreich and Bryony Worthington reflect on the implications of the recent US election results and the potential impact on energy and climate policy. They explore the likely policy changes unde...

Could we save billions by simply reducing energy waste? How can we power the vast, energy-hungry growth of AI without sacrificing climate goals? And is Europe doomed to high energy costs and deindustrialisation? This week on Cleaning Up, Michael Liebreich sits down with Jonathan Maxwell, CEO and founder of Sustainable Development Capital LLP (SDCL), for the third time on Cleaning Up. Jonathan shares his perspective on the urgent need to address energy efficiency and waste, drawing from the th...

How difficult is it to power a boat just with electricity? Is an electric outboard as reliable as a fossil-fuel one when taken out to sea? And just how much better is an electric engine for reducing pollution and noise? Around the world there are tens of millions of small boats, from high-performance luxury craft to workhorse fishing vessels, nearly all of which run on fossil-fuel powered engines. But with the rapid advancements in electric vehicles, a small group of companies are now turning...

Is the shift to electric vehicles really slowing down? Are people losing interest in EVs, or is there more to the story? How will changes in the global automotive industry impact the net-zero transition? And If no one wants EVs, why do we need tariffs? This week on Cleaning Up, host Michael Liebreich sits down with Colin McKerracher, Head of Clean Transport at BloombergNEF, to unpack the latest trends and dynamics in the electric vehicle market from cars to trucks to two wheelers. They dive d...

China has taken a commanding lead in manufacturing solar panels, wind turbines, electric vehicles and batteries, and is central to the green energy transition. Now, the US is hoping to catch up, and has spent almost $500 billion from the Inflation Reduction Act to bolster the energy transition and domestic manufacturing. Is it enough to create-long lasting change? This week on Cleaning Up, host Bryony Worthington sits down with Ethan Zindler, the Climate Counselor to US Treasury Secretary Janet...

Ocean's absorb one third of the CO2 we are recklessly pumping into the atmosphere, as well as 90% of the heat. What would happen if that were to stop? The oceans define every aspect of our planet's physical systems, its ecosystems, human history and human culture. They also define the planet's future. Oceans represent an almost unexplored frontier in the fight against climate change, whether as a host for offshore wind farms, an enhanced carbon sink, a source for critical minerals or a route ...

Is the key to clean energy the heat beneath our feet? Could advances in the fossil-fuel extraction industry hold the key to providing 24/7 clean power? And can a Texan CEO and former oil exec bring geothermal to the masses? This week on Cleaning Up, Bryony Worthington sits down with Cindy Taff, a 35-year veteran of Shell, where she was Vice President of Unconventional Drilling, leading a team of 350 people with a budget of over $1 billion. Since leaving Shell, Cindy has made a bold pivot to t...

What will it take for electric vehicles to truly dominate the transportation landscape? Can traditional automakers adapt quickly enough to the EV revolution, or will new players seize the opportunity? And how close are we to the holy grail of fully autonomous driving? This week on Cleaning Up, Michael Liebreich sits down with Dr. Andy Palmer, a pioneer in the electric vehicle industry. With over 45 years of experience in the automotive sector, Andy has witnessed the industry's transformation ...

As climate impacts mount, pressure is building on policymakers to find ways to alleviate the crisis. One controversial option being explored is geoengineering - direct human interventions to cool the planet. But can we safely and effectively implement these large-scale climate remedies? Bryony Worthington sits down with Kelly Wanser, Executive Director of the nonprofit SilverLining, which conducted early-stage experiments to improve the reflectivity of clouds in an experiment earlier this yea...

Germany is one of the most bullish countries in the world on clean/green hydrogen. The home of the Energiewende is not just one of the most committed countries in the world to reaching net zero, it is of course a highly industrialised nation with a very energy-intensive economy. As if that were not enough, it had one third of its energy supply yanked out from under it as a result of Russia’s illegal invasion of Ukraine. Green hydrogen has become one of the mainstays of efforts to keep the lig...

How does a startup become the largest provider of electricity in the UK in less than a decade? What is locational pricing and how could it encourage more renewables? And is it possible to achieve a zero-carbon electricity system by 2030? Welcome to the first episode of Season 13 of Cleaning Up, in which Michael Liebreich sits down with Greg Jackson, the founder and CEO of Octopus Energy, to uncover the incredible story behind the company's rapid growth and its transformation into a global ene...

In the final episode of Season 12, hosts Michael Liebreich and Bryony Worthington reflect on the key conversations and developments in the net-zero transition over the past three months.

The solar industry has experienced a meteoric rise over the past two decades, growing from a small cottage industry to one of the leading technologies in the energy transition. It’s not been a smooth ride, and there’ve been plenty of bankruptcies on the way, from Solyndra to Suntech, but more than half a terawatt of new solar is now being built each year and the industry is still growing rapidly. So how did we get here, and how far do we have to go? Michael Liebreich is joined by BloombergNEF...

Who are the merchants of doubt and how can their narrative be countered? How much money does it cost to get someone to take action on climate change? This week on Cleaning Up, Bryony Worthington is joined by John Marshall, the founder of the Potential Energy Coalition, a marketing firm that uses data-driven marketing techniques to accelerate the energy transition and climate action. They discuss: How John transitioned from a career in Madison Avenue marketing to founding a non-profit focu...

This week on Cleaning Up, Michael Liebreich sits down with mechanical engineer and YouTube creator Dr Rosemary "Rosie" Barnes to discuss the critical role of engineering in addressing climate change. Rosie shares insights from her work developing clean energy technologies and her popular channel "Engineering with Rosie," where she tackles topics like wind turbine design, the hydrogen debate, and the nuclear power discussion in Australia through the lens of engineering. Rosie and Michael dive int...

Electric vehicles are finally becoming more mainstream, but this hasn’t stopped a flood of negative stories and political attempts to scare people away from making the switch to better, more cost efficient vehicles. So is the EV revolution now inevitable? Bryony Worthington sits down with Ben Nelmes, the Chief Executive of New Automotive, a UK-based not for profit focused on the clean energy transition in road transport. Ben shares his insights on the UK and European electric vehicle (EV) market...

With the UK general election tomorrow, the Cleaning Up team sits down with Dr Simon Evans of Carbon Brief to run through each party's manifesto, and what they say about UK climate and energy policy. With Labour widely predicted to win, will the UK's become an international leader on climate once more? How will GB Energy work? And where will all the money come from to fund the investments needed to turn the UK into a clean energy power house. Dr Simon Evans is the deputy editor and senior poli...

As the world transitions away from fossil fuels, one of the biggest challenges is decarbonizing industrial processes that require consistent, reliable sources of energy to produce high-temperatures. Typically these processes run on fossil gas, but now thermal batteries offer a solution by using electricity to store renewable energy in the form of heat. Anand Gopal, Executive Director of Policy Research at Californian think tank Energy Innovation, joins Baroness Bryony Worthington to discuss h...