Reinventing Cement: The Breakthrough That Could Cut 8% of Global Emissions with Greg Williams

In this episode of Hardware to Save a Planet, host Dylan Garrett talks with Greg Williams, VP of Product at Sublime Systems, about their groundbreaking low-carbon cement. They discuss how Sublime’s electrochemical process eliminates fossil fuel kilns and limestone-derived emissions, tackling 8% of global CO2 output. Greg shares insights on scaling their technology, industry partnerships, and the path to making sustainable cement the new standard.

In this episode of Hardware to Save a Planet, host Dylan Garrett talks with Luke Iseman, founder of Make Sunsets, about tackling climate change through stratospheric aerosol injection. They explore the challenges of scaling hardware solutions, the urgency of immediate climate action, and the ethical debates around geoengineering. Luke shares his vision for using sulfur dioxide balloons to cool the planet, sparking a thought-provoking discussion on innovation and sustainability.

In this episode of Hardware to Save a Planet, host Dylan Garrett sits down with Curtis VanWalleghem, Co-Founder and CEO of Hydrostor, to discuss how compressed air energy storage can revolutionize renewable energy. Hydrostor's innovative underground caverns store air and water to provide long-duration, cost-effective energy storage—solving the intermittency challenge in renewable grids. The conversation dives into engineering breakthroughs, economic advantages over batteries, and the policy shifts needed to enable 100% renewable energy.

In this episode of Hardware to Save a Planet, host Dylan Garrett interviews Allan Adams, founder and CEO of Aquatic Labs, about revolutionizing ocean measurement technology. Allan shares his journey from theoretical physics professor to climate tech innovator, inspired by the urgent need to protect marine ecosystems.

In this episode of Hardware to Save a Planet, host Dylan Garrett sits down with Ross Bonner, CTO and co-founder of Transaera, to discuss cutting-edge approaches for energy-efficient air conditioning. They explore the critical role of cooling in combating climate change, the equity challenges in access to climate technologies, and Transaera’s use of metal-organic frameworks to reduce energy consumption. Tune in to learn how these advancements make cooling more sustainable and accessible for everyone.

In this episode of Hardware to Save a Planet, recorded on the sidelines of the New York Climate Week, host Dylan Garrett moderates a compelling panel discussion on the role of deep tech in addressing the climate crisis. Joining him are Colin Campbell, SVP of Technology at Cambridge Consultants; Trudy Wang, VP of Innovation at Hala Technologies; Lisa Hansmann, Principal at Engine Ventures; Kate Kelly, Chief of Staff at Avalanche Energy; and Catherine Mizrahi Rodriguez, Co-founder of Osmoses. The panel delves into deep tech's complexities, its challenges, the importance of scaling innovations, and the critical need for collaboration across industries. They highlight how integrating new technologies within existing infrastructures and fostering partnerships can drive sustainable solutions. This insightful conversation emphasizes the intersection of technology, policy, and global efforts in the fight against climate change. Tune in for an in-depth exploration of how deep tech can shape a sustainable future.

2024 brought with it the hottest year on record, along with startling extreme weather events. And, while we look for solutions, Hardware to Save a Planet is all about sparking conversations about our present so we can step into the future, prepared. Tune into our year-end special as host Dylan Garrett revisits the insightful conversations we’ve had this year. Complete with eye-opening revelations, inspiring examples of action being taken in the space and a whole lot more, this is your chance to be a part of the solution as we move into 2025!

In this second part of Hardware to Save a Planet, Dylan continues his conversation with Casey Handmer, Founder of Terraform Industries. Casey and his team at Terraform are scaling technology to produce cheap natural gas with sunlight and air. Join us as we explore innovative solutions for sustainable energy. If you missed part one of the discussion, you can check it out here.

Welcome to this episode of Hardware to Save a Planet. In this first of a two-part episode, Dylan chats with Casey Handmer, Founder of Terraform Industries. Casey and his team at Terraform are scaling technology to produce cheap natural gas with sunlight and air. Join us as we explore innovative solutions for sustainable energy. Casey shares how TerraForm leverages solar energy, carbon capture, and green hydrogen production to create cost-effective natural gas to combat climate change. Drawing on his diverse background at NASA, Hyperloop, and Caltech, Casey highlights the overlap between space exploration and Earth-bound energy challenges. The discussion delves into the economics of renewable energy, the practicality of hydrogen, and the potential of scalable, modular chemical plants to drive a sustainable energy revolution.

In this episode of Hardware to Save a Planet, Dylan talks to Rob van Straten, CEO of Skytree, about the company’s pioneering direct air capture (DAC) technology aimed at combating climate change. Rob explains how Skytree’s compact, modular DAC systems capture CO₂ directly from the atmosphere, providing a sustainable alternative to fossil-derived CO₂. Skytree, developed initially for the ISS, now helps sectors like vertical farming reduce emissions with locally sourced CO₂. Rob discusses DAC’s role in a circular carbon economy, energy efficiency improvements, and Skytree’s commitment to sustainable materials and customer-driven innovation for scalable climate solutions.