Episodes

This week, Bryony is back, this time to talk to David Wallace-Wells. David is an American journalist and author who often writes about climate change. His 2017 article "The Uninhabitable Earth" for New York Magazine was the publication's most-read article in history. David then turned the article i…

This week, Michael's guest is Mark Cutifani, chairman of Vale Base Metals and formerly CEO of South African gold mining company, Ashanti, and British mining company, Anglo American. He was born and grew up in Wollongong, Australia. After leaving high school in 1976, he joined Coal Cliff collier…

Bryony returns in Season 11 this week, sitting down with her longtime friend Solitaire Townsend. Solitaire is Co-founder & Chief Solutionist at Futerra, and Trustee of the Solutions Union. She is a renowned sustainability expert and solutionist. From Google to the United Nations, Ikea to WWF, Solit…

Kicking-off 2024 and Season 11 is Ed Conway. Ed is the Economics editor at Sky News, covering major UK and international economics, business and political stories. He is also economics columnist for The Times, and has been one of the longest-running economics editors in UK journalism, having starte…

For a second consecutive year-closer, Michael welcomes Lord Adair Turner of Ecchinswell back to Cleaning Up. Lord Turner has combined careers in business, public policy and academia. He chairs the Energy Transitions Commission, a global coalition of major power and industrial companies, investors, …

Dr Hannah Ritchie is a data scientist and science communicator. Her focus is on the largest problems that shape our world, and how to solve them. Most of her work focuses on environmental sustainability, including climate change, energy, food and agriculture, biodiversity, air pollution and defores…

This week, Bryony speaks with Jason Anderson, Senior Program Director at ClimateWorks, who oversees the Governance & Diplomacy and Super Pollutant programs. His work spans efforts ranging from implementing the Paris Agreement to cleaning up dirty shipping and preventing methane leakage. Jason h…

Professor Avinash Persaud is special envoy to the Prime Minister of Barbados Mia Mottley and emeritus professor at Gresham College in the UK. He, along with PM Mottley, helped design the Bridgetown Initiative in 2022 which laid out a path for reforming and ramping up the mobiliisation of climate fi…

Mateo Jaramillo is Co-Founder and Chief Executive Officer of Form Energy, a company developing, commercializing, and manufacturing breakthrough low-cost, multi-day energy storage solutions that will enable the electric system to be 100% renewably powered. Mr. Jaramillo was formerly Vice President o…

This week, Bryony’s guest is Johannah Christensen, CEO of the Global Maritime Forum. The GMF is an international not-for-profit organization, committed to shaping the future of global seaborne trade to increase sustainable long-term economic development and human wellbeing. To do so, it facilitates…

This week, Michael is back in the host seat to talk to Alex Grant all about the groundbreaking work going on at Magrathea Metals. Alex is co-founder and CEO at Magrathea, developing a new generation of electrolytic technology for making magnesium metal. He was a Forbes 30 Under 30 honoree in Energy…

This week, Michael has invited his good friend Baroness Bryony Worthington to guest-host Cleaning Up! Bryony was the lead author of the UK’s ground-breaking 2008 Climate Change Act, and is now on sabbatical from her role in the House of Lords, where she has been scrutinising legislation. She’s now …

This week, Michael’s guest is Quentin Draper-Scrimshire, co-founder and CEO of Modo Energy. Modo, founded in 2019, are accelerating the energy transition by enabling companies to make better, data-backed decisions hyper-focused on energy storage. Modo is used by 75% of participants in the GB market…

This week, Michael’s guest is Henrik Stiesdal, former CTO of Siemens Gamesa and a pioneer of wind turbine technology. Nicknamed "the godfather of wind power", this Danish inventor is behind many of the sector's most important innovations. He is responsible for over 175 inventions and is named in ov…

This week, Michael’s guest is Carine Smith Ihenacho, Chief Governance and Compliance Officer at Norges Bank Investment Group. Norges operate the world’s largest sovereign wealth fund, created to ensure responsible and long-term management of revenue from Norway’s vast oil and gas resources. The fun…

Cleaning Up is back for its 10th season, and to start proceedings in style, Michael's first guest is Anya Hindmarch. Anya is one of Britain’s most celebrated fashion designers and a leading voice in the industry on sustainability. Anya started her business in London in 1987 and now has 16 stores wo…

This week's guest on Cleaning Up is entrepreneur, author and philanthropist Jim Mellon. Jim is Executive Director at Agronomics, one of the world’s leading investors in cellular agriculture, or lab-grown meat. Bypassing traditional agricultural methods with precision fermentation could have huge im…

This week on Cleaning Up, Michael welcomes Kim Zou, CEO and co-founder of CTVC (Climate Tech VC). Launched in 2020, CTVC is a leading climate innovation resource and newsletter with 50,000 weekly readers, providing data-driven insights and analysis into the latest deals and developments in climate …

This week’s guest on Cleaning Up is Chris Gadomski, Lead Nuclear Analyst at BloombergNEF and adjunct assistant professor at NYU’s Centre for Global Affairs. Chris joined Michael to discuss the unfolding situation at Zaporizhzhia Nuclear Power Plant, which sits on the frontline of the Russian aggres…

This week’s guest is Fatih Birol, Executive Director of the International Energy Agency and one of the world’s foremost energy economists. Fatih has been in-post since 2015, and is a returning guest to Cleaning Up, having appeared on Episode 28, all the way back in January 2021. Under Fatih’s leade…

This week's guest on Cleaning Up is Jon Burke. For six years, Jon was Councillor for the London Borough of Hackney, ending up as Cabinet Member for Energy, Sustainability, Transport and Public Realm. In the role, he oversaw the largest urban tree planting campaign in the UK, an extensive roll-out o…

This week's guest on Cleaning Up is Tzeporah Berman. Tzeporah has been leading environmental campaigns in her native Canada and beyond for over thirty years. Today, she is Chair of the Fossil Fuel Non-Proliferation Treaty, and International Program Director at Stand.earth, the environmental organis…

This week’s guest on Cleaning Up is Paddy Padmanathan, the person who may have done more than any other to usher in the age of low-cost renewables. As CEO of ACWA Power, Paddy was instrumental in reducing the cost of clean energy across the globe, continually breaking records for the price at which…

This week’s guest on Cleaning Up is Matt Ferrell. Matt is host of the hugely popular Undecided YouTube channel and the podcast Still to be Determined, both of which explore the impact of smart and sustainable technologies on our daily lives. Matt and Michael discuss how they came to focus on th…