HOME Alliance will join Climate Week NYC that takes place between September 21-28, 2025. We will bring together Indigenous Peoples, climate activists, film makers and civil society experts for a series of events focused on marine geoengineering risks and growing resistance against it.
We will dive into climate scams like risky marine geoengineering schemes and spotlight real climate justice solutions, driven by communities and peoples.
Date: Monday, September 22
Time: 12:00–1:30 PM ET | 4:00–5:30 PM UTC
Location: Virtual | Register here
More details here
As the climate crisis intensifies, marine geoengineering (mGE) has emerged as a controversial set of proposed interventions aimed at altering ocean chemistry or ecosystems to remove carbon dioxide from the atmosphere. Proponents argue that these techniques – such as ocean alkalinity enhancement, ocean fertilization, and biomass sinking – may be necessary tools to meet climate targets, and startups have already begun selling carbon credits and deploying these approaches. Yet mounting concerns have been raised about the ecological, ethical, and geopolitical risks of intervening in marine systems at scale.
This panel convenes experts in oceanography, marine ecology, and environmental social science to examine the scientific and societal implications of MGE. The panel will not only spotlight emerging scientific evidence but also raise critical questions: Who gets to decide what constitutes an “acceptable” risk to ocean systems? Can environmental harms be meaningfully monitored and contained? Are any MGE techniques appropriate for commercialization and sale on carbon markets? And what are the consequences of investing public and political attention in technologies that may never prove viable at scale? In a time of climate urgency, this panel asks whether marine geoengineering represents innovation – or a dangerous distraction.

Speakers include:
Tuesday, September 23
12:30–2:00 PM ET | 4:30–6:00 PM UTC
Location: The People’s Forum, New York City and Online
Register:
In-Person registration: bit.ly/MarineGeoengineeringNYCW
Virtual registration: bit.ly/MarineGeoengineeringVirtualNYCW
More details here
In recent years, proposals to manipulate the ocean to remove carbon dioxide – commonly referred to as marine carbon dioxide removal (marine CDR) or marine geoengineering – have proliferated. Often framed as necessary tools to meet global climate goals, these techniques remain scientifically uncertain, ecologically risky, and politically contentious. Yet pilot experiments are increasingly moving from the lab to the ocean, often targeting coastal or Arctic regions where communities have little say in how these projects are designed, tested, or approved.
This panel brings together grassroots organizers, Indigenous leaders, and environmental advocates to explore how frontline communities are resisting marine geoengineering in practice. Rather than treating ocean-based CDR as a neutral scientific endeavor, panelists will highlight how power, justice, and local sovereignty are central to debates about climate interventions. They will share firsthand accounts of organizing efforts that have challenged industry-led experiments, emphasized precaution over techno-fixes, and demanded accountability from governments and funders.
This event is aimed at climate activists, environmental justice advocates, funders, researchers, policymakers, and journalists attending Climate Week who are grappling with how to respond to emerging geoengineering agendas. It offers a vital opportunity to learn from the communities most directly affected – and most often ignored – in the rush to deploy speculative climate technologies.

Speakers include:
Date: Thursday, September 25
Time: 11:00 AM–12:30 PM ET / 3:00–4:30 PM UTC
Location: Virtual | Register Here
More details here

This 40 minute documentary is about what happened when a Cornish community was confronted with the sudden reality of a chemical experiment happening in St.Ives Bay. Canadian company Planetary Technologies reassured locals that this geo-engineering trial was going to be part of healing the ocean and combatting global heating. So did demanding a halt to the experiment mean that local people were standing in the way of genuine progress in the climate crisis? After all, Elon Musk was backing the experiment and there’d already been a secret test in St.Ives Bay. Is the community scientifically illiterate and insular or is there more to this story?
Respondents:
Join the filmmaker afterwards for a discussion and Q&A!
Watch the trailer here: https://youtu.be/vR-xSaPiuVQ
HOME Alliance will join Climate Week NYC that takes place between September 21-28, 2025. We will bring together Indigenous Peoples, climate activists, film makers and civil society experts for a series of events focused on marine geoengineering risks and growing resistance against it.
We will dive into climate scams like risky marine geoengineering schemes and spotlight real climate justice solutions, driven by communities and peoples.
Date: Monday, September 22
Time: 12:00–1:30 PM ET | 4:00–5:30 PM UTC
Location: Virtual | Register here
More details here
As the climate crisis intensifies, marine geoengineering (mGE) has emerged as a controversial set of proposed interventions aimed at altering ocean chemistry or ecosystems to remove carbon dioxide from the atmosphere. Proponents argue that these techniques - such as ocean alkalinity enhancement, ocean fertilization, and biomass sinking - may be necessary tools to meet climate targets, and startups have already begun selling carbon credits and deploying these approaches. Yet mounting concerns have been raised about the ecological, ethical, and geopolitical risks of intervening in marine systems at scale.
This panel convenes experts in oceanography, marine ecology, and environmental social science to examine the scientific and societal implications of MGE. The panel will not only spotlight emerging scientific evidence but also raise critical questions: Who gets to decide what constitutes an “acceptable” risk to ocean systems? Can environmental harms be meaningfully monitored and contained? Are any MGE techniques appropriate for commercialization and sale on carbon markets? And what are the consequences of investing public and political attention in technologies that may never prove viable at scale? In a time of climate urgency, this panel asks whether marine geoengineering represents innovation - or a dangerous distraction.

Speakers include:
Tuesday, September 23
12:30–2:00 PM ET | 4:30–6:00 PM UTC
Location: The People’s Forum, New York City and Online
Register:
In-Person registration: bit.ly/MarineGeoengineeringNYCW
Virtual registration: bit.ly/MarineGeoengineeringVirtualNYCW
More details here
In recent years, proposals to manipulate the ocean to remove carbon dioxide - commonly referred to as marine carbon dioxide removal (marine CDR) or marine geoengineering - have proliferated. Often framed as necessary tools to meet global climate goals, these techniques remain scientifically uncertain, ecologically risky, and politically contentious. Yet pilot experiments are increasingly moving from the lab to the ocean, often targeting coastal or Arctic regions where communities have little say in how these projects are designed, tested, or approved.
This panel brings together grassroots organizers, Indigenous leaders, and environmental advocates to explore how frontline communities are resisting marine geoengineering in practice. Rather than treating ocean-based CDR as a neutral scientific endeavor, panelists will highlight how power, justice, and local sovereignty are central to debates about climate interventions. They will share firsthand accounts of organizing efforts that have challenged industry-led experiments, emphasized precaution over techno-fixes, and demanded accountability from governments and funders.
This event is aimed at climate activists, environmental justice advocates, funders, researchers, policymakers, and journalists attending Climate Week who are grappling with how to respond to emerging geoengineering agendas. It offers a vital opportunity to learn from the communities most directly affected - and most often ignored - in the rush to deploy speculative climate technologies.

Speakers include:
Date: Thursday, September 25
Time: 11:00 AM–12:30 PM ET / 3:00–4:30 PM UTC
Location: Virtual | Register Here
More details here

This 40 minute documentary is about what happened when a Cornish community was confronted with the sudden reality of a chemical experiment happening in St.Ives Bay. Canadian company Planetary Technologies reassured locals that this geo-engineering trial was going to be part of healing the ocean and combatting global heating. So did demanding a halt to the experiment mean that local people were standing in the way of genuine progress in the climate crisis? After all, Elon Musk was backing the experiment and there'd already been a secret test in St.Ives Bay. Is the community scientifically illiterate and insular or is there more to this story?
Respondents:
Join the filmmaker afterwards for a discussion and Q&A!
Watch the trailer here: https://youtu.be/vR-xSaPiuVQ
