

Joel Cruz
POINTS TOTAL
- 0 TODAY
- 0 THIS WEEK
- 146 TOTAL
participant impact
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UP TO10minutesspent learning
Joel's actions
Coastal, Ocean, and Engineered Sinks
Share to Social Media: Coastal, Ocean, & Engineered Sinks
Coastal, Ocean and Engineered Sinks
Through social media (LinkedIn or Instagram), I will share what I've learned about Coastal, Ocean, & Engineered Sinks and tag Ecochallenge.org.
Coastal, Ocean, and Engineered Sinks
Restore Wetlands
Coastal Wetland Restoration
I will volunteer 4 hours with a wetland restoration project in my region to learn about the importance of wetlands.
Coastal, Ocean, and Engineered Sinks
Visit the Coast
Macroalgae Protection and Restoration
I will visit a coastal or ocean site to experience the ecosystem and look for the presence of macroalgae/seaweed.
Coastal, Ocean, and Engineered Sinks
Advocate for Wetland Protection
Coastal Wetland Protection
I will write 1 letters or emails per day to a public official or representative to advocate for policies that protect wetlands.
Coastal, Ocean, and Engineered Sinks
Building With Carbon Storing Waste Products
Engineered Sinks
I will spend at least 60 minutes researching how people can build with carbon-storing materials - including agricultural byproducts - and discuss it with my peers or post to social media.
Coastal, Ocean, and Engineered Sinks
Cook With Seaweed
Seaweed Farming
I will use seaweed in a new recipe.
Coastal, Ocean, and Engineered Sinks
Smart Seafood Choices
Ocean Farming
I will visit seafoodwatch.org and download the app to commit to making better seafood choices for a healthier ocean.
Coastal, Ocean, and Engineered Sinks
Learning about Wetlands
I will spend at least 10 minutes a day learning (through Ecochallenge, Regeneration Nexus, and Friends of Ballona Wetlands resources) about wetlands and wetland restoration. This will help me better accomplish my goals of posting on social media and emailing public officials.
Coastal, Ocean, and Engineered Sinks
Visiting a Wetland
My goal is to visit the Ballona Wetlands and attend a tour given by the Friends of Ballona Wetlands to learn about why wetlands like Ballona are significant and how they can be protected.
Coastal, Ocean, and Engineered Sinks
Research the Wonders of Macroalgae / Seaweed
Macroalgae Protection and Restoration
Each day, I will spend at least 10 minutes learning more about protecting and restoring macroalgae/seaweed.
Participant Feed
Reflection, encouragement, and relationship building are all important aspects of getting a new habit to stick.
Share thoughts, encourage others, and reinforce positive new habits on the Feed.
To get started, share “your why.” Why did you join the challenge and choose the actions you did?
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Joel Cruz 4/29/2025 8:07 PMOn Sunday morning (4/27/25), I attended a 2 hour tour of the Ballona Wetlands Freshwater Marsh given by the Friends of Ballona Wetlands. This was my first time at Ballona and what I immediately noticed was the hustle and bustle around the area. There were people running, walking, another environmental group was meeting next to where the tour was starting, and there was a lot of sports activity taking place at the park and nearby elementary school.
The tour started at the Ballona Discovery Park where the main guide and assistant introduced themselves. Us visitors were given binoculars and informational plant and wildlife leaflets to borrow on our tour. Before we set off, our guide gave us a historical overview of the Ballona wetlands. My knowledge that the LA River used to flow into the wetlands was confirmed. What I didn't know was that weather events in the late 19th century(?) was the main cause of that redirection. I also learned that there used to be a lot of oil extraction around the area and that some remnants of that still remain. The wetlands are important because it is where water can enter the soil and replenish aquifers (groundwater reserves). The guide confirmed my knowledge that wetlands clean water.
When we set off on our tour, I noticed an interactive piece of art in the form of big rectangular stone pillars. Our guide informed us that the piece represented the watershed and how the water flows through the city landscape. Similarly, the placement of large stone 'tiles' on the floor was deliberate; it represented how urban concrete cover could be thought of differently and include places where water can seep into the soil.
One place we stopped at briefly was a hut where we learned about the indigenous Tongva people. I learned that the Tongva people would make their huts and canoes using wetland 'tuli' reed plants. I even got to hold one; they were light and aery (the cross-section had a lot of tiny holes) which pointed to their natural properties of buoyancy and ventilation. The Tongva made use of their wetland ecosystem knowledge of other plants such as the 'lemonade berry', which they used as a source of vitamin C before the introduction of European citrus, and willow bark, which contained salicylic acid (a main component of aspirin).
We spent the rest of the tour admiring the rich plant and birdlife that resided at and around the freshwater marsh part of the wetlands. The experience overall helped me to reflect on the significance of the Ballona Wetlands as a historical site, whose history of one of people living with the environment, rather than in spite of it. It also helped me reflect on the ways by which we can better live with historic ecosystems like these.
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CHARLOTTE GAYNER 4/29/2025 10:16 PMThis looks awesome, Joel! I think it is really important to look to native communities when learning more about human impact on the Earth, and I love that you included this in your post. I have not visited this site, but have visited the Kuruvungna Village Springs near University High School Charter. I would definitely recommend you check it out!
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Joel Cruz 4/28/2025 10:57 PMToday (Monday 4/28/2025), I spent a little more than 10 minutes reviewing and reflecting on Project Drawdown's Sector Summary - Coastal and Ocean Sinks article. The article makes an interesting assertion that I hadn't thought about before: that the ocean makes land livable. Prior to reading this article, I understood that life relies heavily on water and that water has dominated Earth' s history (land is only a small fraction of the Earth's surface), but I had never thought that relationship between the land and sea could be that intimate.
An interesting complication I recognized was that, though oceans remain an effective solution to the effects of climate change, its life and ecosystems suffer as a result. This made me rethink my own frameworks for action in the sense that I now understand that the reduction of emissions is a necessary supplement to the protection of sequestering biomes. -
Joel Cruz 4/28/2025 1:09 AMOn Sunday (4/27) morning, I spent 30 minutes reviewing Project Drawdown's Coastal Wetland Protection page (https://drawdown.org/solutions/coastal-wetland-protection). I learned that coastal wetlands can consist of mangroves, seagrasses, and salt marshes and that together, they can hold on to carbon for hundreds of years; they can hold on to large amounts of it, in fact, despite their relatively small share of the Earth's surface. The article also mentioned that it is in the wetland soils, rather than the water itself, that contains the carbon. This confirmed the knowledge that I gained from my soils class last quarter (GEOG M102). Development and agriculture are the given causes for wetland loss, and Project Drawdown's solution is for laws to be enacted for their protection. In terms of Regeneration Nexus' Frameworks for Action, Project Drawdown intends to achieve a reduction in emissions through legal protection of wetlands.
The article mentions that "given the small area of coastal wetlands, the high urgency due to degradation of unprotected coastal wetlands, and the high mitigation value of protection, several scenarios emphasized early peak adoption by 2030" (Project Drawdown). Reading this gave me hope that there may already be many incentives for legal protections to be enacted. However, I thought back to a newspaper article I read about California state officials battling the Supreme Court on this very topic. I came to the conclusion that the best thing that I can do as a Californian is to support our state officials, who have demonstrated their resolve in protecting state wetlands and the right of Californians to clean water.-
Gavin Yang 4/28/2025 1:23 AMI like that you connected what you learned recently to a previous class. I think having more extensive prior knowledge on the subject would definitely help you develop more sophisticated ideas about how your solution could be implremented. I also took a nutrition class last quarter which inspired me to write about meat consumption.
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REFLECTION QUESTIONCoastal, Ocean, and Engineered SinksWhat did you learn about seaweed and its importance to coastal ecosystems?
Joel Cruz 4/10/2025 3:04 PMMacroalgae grow fast and store lots of carbon. The carbon they sequester end up in deep sea sediments. The forests they make up may be more efficient in storing carbon than coastal ecosystems like salt marshes. Macroalgae forests are found all throughout the world ocean and provide shelter for fish and invertebrates. They are one of the most productive ecosystems on Earth. -
Joel Cruz 4/08/2025 5:32 AMI am joining the Drawdown Ecochallenge out of respect for the land I call home. I've been an Angeleno (an LA resident) for all my life and only this year have I considered what that means to me. When I reflected on my past, in order to more clearly see my future, I realized how much I enjoyed living in LA. When exploring my thoughts about moving for work, what came to mind were the ways that California's people and natural environment reached me deeply. My family, my lifelong friends, and the beautiful nature that I've enjoyed with them, have all influenced who I am today. The land itself reflects my memories--those of my friends, of being outdoors, and of forming new relationships. The land will continue to reflects these memories long after I am gone, because, through my life, I will have altered the environment. Whether my life will have a net positive or negative effect on LA and California in the future, is something I will begin to address with this new step.
I will be graduating next Spring (2026) with a B.A. in Geography and hope to find employment in fields such as urban planning, hydrology, environmental science, and disaster relief, by highlighting my skills in GIS, remote sensing, and cartography. As I ideally plan on staying in California, my fears for the future include lack of water and more intense/frequent wildfires which would put unprecedented burdens on my work, my future livelihood, and the livelihoods of my fellow Angelenos. To address these fears, I plan to do research on wetlands as a solution to the climate crisis and focus my initial Ecochallenges on 'coastal, ocean, and engineered sinks' actions.
The pictures are all from a trip my friends and I took where we surveyed Northern California's gorgeous nature (the last picture is of a wetland we visited!).