Academics From The United States

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April 10, 2026

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"mainly differ amongst each other in terms of the technological methods used to grow edible plants indoors. 1. The first one, , consists of growing plants on a neutral and inert substrate (e.g. sand, clay, and rock material), which is regularly irrigated by a liquid fortified with minerals and nutrients that are necessary to sustain plant growth. Hydroponic systems use 60-70% less water than traditional outdoor agriculture. They are widely employed by hundreds of thousands of commercial greenhouses and vertical farms throughout the world. 2. The second process of vertical farming is , through which plants are grown without the use of any soil (or soil replacement): their roots, hanging down in the air inside a closed container, are exposed to a fine mist of nutrient-laden water, regularly sprayed through a nozzle. While this is a relatively new method for growing edible plants – it was first developed in 1983 – it is increasingly employed by commercial vertical farms such as and Tower Garden in the US. 3. Finally, a hybrid method, , integrates fish production into the hydroponic growing scheme. More precisely, it uses fish waste as a nutrient source for the plants after treatment, operating as a closed loop ecosystem for indoor farming. However, this system’s complexity and high cost hinder its widespread use. The former two methods are the most common forms of ."

- Dickson Despommier

• 0 likes• academics-from-the-united-states• columbia-university-alumni• columbia-university-faculty• biologists-from-the-united-states• ecologists•
"Trees sequester carbon, harvest water, produce food, and convert sunlight into energy. Those are the four characteristics I would love a city to have. The resiliency of forests is to be emulated. And that’s the reason why I picked forests as my biomimic. I want my city to be as resilient as Earth’s s. The main reason why is occurring is to make room for farms. Before there was farming, which was about ten to twelve thousand years ago, we had six trillion trees. We now have three trillion trees. We’ve cut down half of the Earth’s ability to capture carbon. We’re not going to replace all of that with new trees. But if we got back up to five trillion trees, let’s say, simply by leaving the remaining forests alone and letting them repopulate and selectively harvesting, the Earth’s temperature rise would begin to slow down. And, once you’ve slowed it down, that gives you time to reflect and to prepare for these changes that are not going to go away. Replacing three trillion trees by planting them—that’s not going to work. We’ll never be able to do that. So we have to let nature do that part. And, in order to do that, we have to return a lot of farmland back to what it used to be, which was forests."

- Dickson Despommier

• 0 likes• academics-from-the-united-states• columbia-university-alumni• columbia-university-faculty• biologists-from-the-united-states• ecologists•
"A couple key ingredients. One was studying fan cultures. Trying to figure out what builds strong followings for people. Why people feel more attached to one film versus another– or one property versus another. When you analyze that, one property usually has more depth. It usually has a more resonating meaning. A deep universe, well fleshed out feels like you know it better than your reading, or your viewer knows it. They feel like they’re uncovering something that a creative team is really ahead of them on in terms of the believability of the universe. There are so many factors. What makes people want tattoos of a motor cycle brand or a rock band? What brings people to feel so passionate about properties that they’re willing to make life long commitments to something that they didn’t even create? I was fascinated by that and came away with a lot of takeaways. The other factor was, I always had a different outlook on life. Maybe because my dad was in the nuclear submarines as I was growing up throughout the cold war. Or serious global issues. My favorite fishing places, in Vermont, had died as a result of acid rain. These were the most gorgeous lakes and there was no fishing in them anymore. They looked clear; they were absolutely beautiful, but all the fish were dead. I was realizing there were cold plants in the midwest; and they were also mentioning cold plants merging in China. This was in the 1980s. I was seeing this big impact on the environment. At the same time the media was basically silent and people were ignorant of what was going on in the world in an environmental level. In my own circles, people just weren’t aware of these things. If you talked about things like the meat raising practices of fast food companies burning the lungs of the planet in South America for cheaper grazing lands and cheaper meat, people thought you were a conspiracy theorist. They were really uneducated. Even educated people had no idea what was going on on the planet. That was very stressing for a kid spending a lot of time in the woods connecting with nature. I found that really disturbing. I wasn’t looking at it as a business venture. I was coming at it as, “what if stories are richer? What if we could get connected through characters that are more like we are?” I was feeling pretty helpless in a world that makes decisions and screws up our abilities independent of our control; independent of our vote. Since that time we’ve seen the rise of the 99 percent. At that time people were saying capitalism is great. That was disturbing. So as an artist, people reinterpret what they’re seeing in the world. What makes that message resonate is A. there’s substance to it. B. it’s told beautifully. C. it has respect for the audience. My point is, when you see these things in the world, I felt more and more people were feeling more isolated. And I felt more and more people were headed for the third world. If you look at the 2008 financial crisis in the United States; what happened to the middle class and how it’s now basically poverty class. It’s all around us, and it’s pervasive, and it’s got a lot of momentum. In the ’80s people were still riding high. Global Warming– Al Gore hadn’t made his film yet. It took something like that to get people to start paying attention. If I agree to what many other climate scientists are saying is a whole other issue. What I think we can agree on is that human impact on the Earth has been substantial. When I started making Oddworld, that’s what made my heart heavy when I went to sleep every night. When I’d travel the world and see different places that’s what would break my heart, the continued impact of the environment and what that probably meant for our future. But who wants to see a documentary game?"

- Lorne Lanning

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