Jason Lewis, Thomas Mills & Flora Gladwin

Climate Optimists

Science EN ↓ 99 episodes

Concerned about climate change, but short on time and not sure where to start? We get it. That’s why we created Climate Optimists. Our goal is simple. Provide everyday citizens who are concerned about climate change with opportunities to make a difference. So come along with us on our journey, as we explore the solutions to climate change and how together, we can make them a reality.

Author

Jason Lewis, Thomas Mills & Flora Gladwin

Category

Science

Podcast website

www.climateoptimists.co

Latest episode

Apr 7, 2026

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Episodes

The Legal Lever 07.04.2026

Michelle Jonker-Argueta from Greenpeace joins us to talk about the power of the legal system to compel governments & corporate actors to do their part on climate change.

China's Clean Energy Transformation 30.09.2025

Listen in as we explore China's clean energy revolution and what it means for the climate with Yuhe Gao, energy expert with Greenpeace East Asia.

Rethinking Community Design 17.02.2025

Join us as we talk with renowned architect Vishaan Chakrabarti about the social, economic and climate benefits of designing greener and more walkable communities.

Why this year’s election matters 10.10.2024

Tiernan Sittenfeld from the League of Conservation Voters joins us to talk about the upcoming election and why it’s critical to the future of our climate

More with Less - The Future of EVs 07.05.2024

Listen in as we examine the how EV efficiency is forecast to improve and what it could mean for EV owners and the grid with Geoff Blanford, energy modeling expert at EPRI

Tapping the Sun 23.04.2024

Bill Eddie from One Energy Renewables joins us to discuss the outlook for solar energy including recent progress, current challenges and how each of us can help support it.

Circular is Better Than Linear 09.04.2024

Join us as we talk with Marijana Novak & Matthew Fraser from Circle Economy about the value of a circular model and what it's going to take to make the transition.

Invasives in a Changing Climate 26.03.2024

This week invasive species expert Tao Orion educates us on how climate change is forecast to impact the spread of invasives and the tools we have available to respond.

UN Climate Process - Challenges & Opportunities 12.03.2024

Joe Robertson from Citizens Climate International talks with us about the UN climate process including its achievements, fossil fuel influence and potential improvements.

There's no place like home 27.02.2024

Climate impacts are forcing many to leave their homes. This week we talk about climate displacement & how to minimize it with climate adaptation expert, Chris Fields.

Clean your plate or no dessert! 13.02.2024

Join us this week as we talk to Anne-Marie Bonneau, a zero-waste chef, about food waste and its climate impacts from production to consumption.

Decarbonizing the Built Environment 30.01.2024

Join us as we talk to architect Jon Penndorf about the carbon footprint of buildings and what's needed to drive down their emissions in both new and existing structures.

The Year Ahead 16.01.2024

With 2024 in full swing, we take a look at where things stand with climate change, what more needs to be done, and what types of climate resolutions really matter.

Drying Up 12.12.2023

Climate change is making drought more frequent & severe, but it's not all bad news. Tune in as we explore the challenges & potential solutions with Michele Thieme of WWF.

Cricket, its what's for dinner!? 28.11.2023

As a protein source, livestock has a huge resource & carbon footprint. Listen in as we explore the promise of insect protein with Mighty Cricket founder, Sarah Schlafly.

What about Fast Fashion? 07.11.2023

Join us as we talk with fashion industry expert Kate Fletcher about the climate and related environmental impacts of fast fashion and what can be done to reverse course.

Choosing our Wildfire 24.10.2023

Wildfire is a natural part of certain forest ecosystems, but climate change is supercharging it. We talk with wildfire expert Matt Hurteau about ways to respond.

The Plastics Problem 10.10.2023

Plastics are not just a massive source of pollution but have a significant climate impact. We dive into the problem & solutions with bio-plastics expert Raegan Kelly.

Fossil Fuel Obstruction 26.09.2023

Big oil has been obstructing climate action for decades. We talk with Kathy Mulvey from the Union of Concerned Scientists about their tactics and how we're fighting back.

Travel's Climate Baggage 12.09.2023

We talk with Jeremy Sampson of the Travel Foundation about the climate impacts of tourism and potential solutions including ways to be a more climate friendly traveler.

Learning to Adapt 29.08.2023

The team is rejoined by climate scientist Dr. Lisa Schipper to discuss the importance of climate adaptation, its limitations and the keys to doing it well.

Offsets - Dangerous Diversion or Essential Tool 25.07.2023

Jenny Morgan from Tradewater joins us to break down carbon offsets. Listen in as we explore how they work, their history, and their future in the climate space.

EV Curious? 11.07.2023

Join us as we explore the latest on EVs, debunk some popular myths, and talk about some of the other opportunities of moving beyond the internal combustion engine.

O Canada 20.06.2023

Climate scientist Simon Donner talks with us about climate change's impact on our friends to the North, what they're doing to cut emissions & what more needs to be done.

Breaking clean energy gridlocks 06.06.2023

Jason Burwen, vice president of policy and strategy at Gridstor, joins us to share his perspective on the challenges facing us as we race toward a carbon free grid.

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