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Hanna Simmons

Red Santa's Gift

Red Santa's Gift

Regular price $25.00 USD
Regular price Sale price $25.00 USD
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CO₂ Removal Type

Learn about this Removal Method

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Inspire your network and share holiday greetings with others that positively impact the climate. This "red santas gift" card supports new technologies that remove carbon dioxide from the atmosphere.  Choose a method of carbon dioxide removal that you prefer, such as enhanced rock weathering or concrete mineralization, then choose the amount of CO₂ to be removed based on the price, and then enter the recipient's information and check out.  It really is this simple to engage in this climate solution.  

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Our Solutions

Biochar

Biochar starts as biomass - plant matter, old wood, agricultural waste - that is pyrolyzed, or heated to high temperatures without oxygen. The result is a solid chunk of carbon that can no longer decay and release CO₂ back into the atmosphere. Biochar is an example of a CDR method that comes with an end product that can be used for many things, including as a soil amendment. 

Bio-oil

Bio-oil also starts off as biomass and undergoes fast pyrolysis. This results in something similar to crude oil, but with less viability as a fuel. Since it has a density similar to crude oil, it can be injected into wells left empty by the oil and gas industry without risk of leaking back out into the atmosphere. It’s basically a way of putting oil back where it came from. Our bio-oil removals are supplied by Charm Industrial.

Concrete Mineralization

Concrete is the most abundant human-made material on earth, with billions of metric tons poured annually. Mineralizing captured CO₂ in concrete improves the concrete’s compressive strength, allowing concrete producers to safely lower the carbon footprint of the concrete—with no impact on quality or performance. Once mineralized, the CO₂ is prevented from releasing into the atmosphere for generations. Our Concrete Mineralization credits are supplied by CarbonCure.

Enhanced Rock Weathering

Weathering refers to the natural process whereby CO₂ comes into contact with water and alkaline minerals. The chemical reactions that then take place result in stable carbonate minerals that essentially trap the carbon. The enhanced part means that humans step in to make this happen on a faster time scale, and it’s important to note that trapping carbon in carbonate minerals is one of the safest ways we can store the excess CO₂ in the atmosphere. One approach uses  very abundant, naturally reactive basalt rock, grinding it and letting it react with water. Our Enhanced Rock Weathering removals are supplied by UNDO.

Reforestation

Contrary to what many of us were taught as kids, trees don’t “opposite breath” to humans. Yes, photosynthesis takes place during the day; allowing a tree to take in carbon dioxide from the air and (with the help of sunlight) create sugars to help the tree grow. However, at night, the trees need to release energy (releasing carbon dioxide) to break those sugars down into something useful. In short: trees also ‘exhale’ carbon dioxide into the air! .

 

So if humans release carbon into the atmosphere by breathing, and trees are also releasing carbon into the atmosphere via respiration, we’re going to need more carbon sinks (anything that absorbs more carbon than emits it into the air) to put all that carbon back into the ground.

Can forests be considered a carbon sink? First, we need to understand forests’ role in the carbon cycle.

 

What are forests’ role in the carbon cycle?

Growing up, we’ve all gained an intuition about what a forest is: an area of land covered in trees. Forests play a critical role in the carbon cycles because of how they interact with carbon dioxide. Most of what a tree needs to grow they get from the air (not just the soil). Depending on the age of the tree, it can either help sequester or store carbon. Carbon is sequestered during photosynthesis, and stored in the roots, trunks, and nearby soils of the tree. 

 

How does a tree’s age affect the carbon cycle?

Let’s think of it as an ‘all-you-can-eat’ air-carbon buffet for trees. There’s too much food at this buffet and we need all the help we can get eating it before it goes bad and stinks the place up. You can take it off the tray and put it on your plate (sequester), but you’re also going to need to eat it (storage)! (Elias Ayrey, 2021)

  • For sapling (baby) trees; you can invite infants to a buffet, but if the goal is to eat through most of the food - they won’t make much of a dent. These baby trees suck up some carbon from the air, but they’re still too small to make a rapid or huge impact in sequestering lots of carbon from the air.
    Lots of baby trees together (a young forest) are not a significant carbon sink. The baby trees are not big enough to store lots of carbon in their wood. But give them enough time and they’ll grow to be...

 

  • Adolescent (mid-aged) trees; they need a lot of energy to grow, so they’ll actually eat up a lot and pack it away, mostly in their trunks. Most of the carbon sequestered by this tree-age goes toward helping the tree grow big, tall and strong. This will allow the tree to reach upward to find more sunlight and fresh air. 
    Predominantly mid-aged forests with many mid-aged trees will actually pull more carbon in than out, making it a carbon sink. They’re starting to get big enough to store more carbon in their wood.  Give them more time and they’ll grow to be...
  • Older trees; they might snack on a bit of carbon here and there, but they won’t actually eat much, since their digestion rate is going to be slower and they’re not growing as much anymore. They’re mostly sequestering just enough carbon to keep energy levels even and keeping daily operations in-check. However, these older trees have already stored a lot of carbon in their root systems,  wood, and soils in their lifetimes that would all immediately go back into the air if these trees are chopped down, diseased, or burned. 
    A predominantly old-aged forest has essentially reached a carbon-equilibrium: about equal carbon drawn in and released out of the air. So they’renot a significant carbon sink. However, because of all the carbon they drew in as mid-aged trees, their wood, soils, and root systems still make for amazing carbon storage.

 

What happens to the carbon cycle when forests are lost? 

Forests can be lost in a few different ways: disease (viruses and parasitic insects), deforestation (humans cutting down trees), drought, wildfires, etc. When a forest is lost, most of the carbon stored in the trunks, soil and roots of the trees goes right back into the atmosphere. So, not only do our tree friends stop eating and storing carbon, but all their hard work of eating and storing carbon comes undone.

 

What is reforestation, and how can humans help?

Reforesting refers to the process of replanting trees in areas of land that were previously populated by trees (invite more trees to the carbon-buffet!) 

Humans are the primary cause of deforestation; harvesting timber or wanting to repurpose the land area (think: houses, resorts, cities, farms). So, while reforesting is critical, it’s also just as important to stop cutting down forests that already exist. We need the teenage-trees and older trees to keep eating all that extra carbon that’s already in our atmosphere.

 

What are forest carbon offsets? 

One important topic to mention here are forest carbon offsets. What are they? Forest carbon offsets are when forest land owners (privately owned forests) are given credits to not cut down their trees and to further protect the forests that already exist on their lands. These credits can then be sold to major polluters to try and balance 1 polluter emission with 1 tree sequestration. 

Does this actually help solve our excess carbon problem? Well, not really. We’ll ultimately need these polluters to stop polluting if we hope to clean up the skies AND plant more trees. The overall carbon balance is still way off. There are also concerns about land owners fudging the offset system and over-claiming offsets (ProPublica, 2021). In the meantime, these forest offset programs help protect private forests from being cut down and literally buy them more time to grow (assuming they don’t burn up in wildfires). 

 

So, are forests a carbon sink?

Yes and no. Older forests store a lot of carbon and do a great job at making sure that carbon doesn’t release back into the atmosphere. Mid-aged forests are carbon sinks in that they vacuum up a lot of carbon from the air while they’re growing (and also store it in their wood and soils). And younger forests are important because they help rebuild ecosystems that were lost to deforestation, AND will one day become mid and old-aged forests themselves! By protecting forests and also reforesting previously lost forest areas, we allow all trees to do their part to restore balance to the global carbon cycle. 

 

Forest Feature: Mangrove Trees!

Mangrove forests are some of the most carbon-dense ecosystems in the world, and are able to quickly store about 4x (!!) as much carbon than tropical rainforests (which are dense carbon sinks in their own right). Mangrove trees live in coastal areas, with their root systems reaching deep into marshy soils. Because of the waterlogged soils, carbon has a harder time leaving the soil and returning into the atmosphere, making them amazing long-term carbon sinks. Unfortunately, because of the location of many of these forests, they’re typically competing for land space with resort towns.  Many of these forests are ripped out to make way for vacation spots, which immediately releases all that carbon stored in their roots back into the air. Luckily, mangrove reforestation projects are also underway to try and mitigate this issue.  (Hance, 2011).

If you’re curious about what U.S. land would be great for reforesting, check out the reforestation hub!

Thank you to a relative for the “toddlers at a buffet” analogy that I promptly stole, and for listening to me talk about forests while we burned backyard wood around a bonfire.

 

Sources:

Elias Ayrey. (2021, December 6). Forest carbon basics [Video]. YouTube. Retrieved October 16, 2022, from https://www.youtube.com/watch?v=Z-jpy5uXods

Hance, J. (2011, April 5). Vanishing mangroves are carbon sequestration powerhouses. Mongabay Environmental News. Retrieved October 16, 2022, from https://news.mongabay.com/2011/04/vanishing-mangroves-are-carbon-sequestration-powerhouses/

ProPublica. (2021, May 12). The Climate Solution Actually Adding Millions of Tons of CO2 Into the Atmosphere. Retrieved October 16, 2022, from https://www.propublica.org/article/the-climate-solution-actually-adding-millions-of-tons-of-co2-into-the-atmosphere

Soil Sequestration

Soils can hold more carbon than the atmosphere, and healthy soils are full of carbon. Regenerative agricultural practices, such as no-till or cover crops, restore carbon-depleted soils and improve fertility. Soil carbon sequestration is a great example of how low cost, simple changes can have a big impact on the climate, as well as improve agricultural ecosystems and the sustainability of our food supply. Our soil removals are supplied by Nori