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Ocean-based negative-emissions technologies present many challenges

Envirotec Magazine

The use of so-called “negative emissions technologies” to enhance carbon sequestration and storage in the ocean is increasingly being discussed. This process, also known as alkalinization, harnesses chemical processes to alter the geochemistry of seawater and thereby increase the uptake of carbon dioxide from the atmosphere.

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How Stripe’s ‘negative emissions’ team picked its first four carbon removal projects

GreenBiz

How Stripe’s ‘negative emissions’ team picked its first four carbon removal projects. Among the many notes to myself about potential follow-up stories lies my scribbled reminder to check in on online payment tech company Stripe’s pledge last year to put at least $1 million annually toward carbon removal activities.

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BIPOC Entrepreneurs Present their Climatetech Solutions at ACCEL Showcase

Greentown Labs

This month, they presented their incredible climate technologies at an ACCEL Showcase at Greentown Houston. Ultracapacitors complement batteries in the grid-scale use of renewable energy, and by supporting locally farmed hemp, the startup says it’s both sequestering carbon in hemp and “sequestering wealth” in the farmers’ communities.

Startups 120
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Heard of “Net-Zero Oil” or “Carbon Negative” Bioenergy? In 2023 You Will

DeSmogBlog

Salmon might seem like a good alternative to meat, in a world that needs to shift away from carbon-intensive cattle — at least the fish farming industry would have you see it that way. Carbon Capture and Storage. Below, a handful of DeSmog writers dive into the issues they’ll be watching in 2023. Aquaculture. Next year you will.

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Urban Sequoia is a blueprint for sustainable architecture

Inhabitat - Innovation

However, few presentations addressed one elephant in the room — the fact that the construction industry contributes up to 40% of ongoing carbon release.

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Net Zero Festival: Negative emissions - can carbon offsets ever be credible?

Business Green

VIDEO: Top experts from the University of Oxford, Friends of the Earth, Vertree and the UK Green Building Council tackle the carbon offsets debate. So what, if anything, can be done to ensure carbon offsets projects are credible and deliver on their promised emissions reductions?

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Untapped potential

Envirotec Magazine

At present, around 25% of all CO2 emitted to the air is absorbed by the oceans. When these molecules enter the water they cause acidification, having a negative impact on marine environments, particularly for shell forming organisms such as crabs and shellfish that rely on fragile eco-systems for survival.