
In Brazil, they are producing solar-powered hearing aids, which are equal in price to disposable alternatives, but last up to three years. Non-sustainable alternatives, such as polluting zinc batteries, last approximately one week. Further North in the kingdom of Denmark, a young start-up saves parents up to $2,100 in the first year of their baby’s life by renting out clothing and exchanging it for larger sizes as the child grows.
Published today, an annual sustainability study, SUSTAINIA100, names the top-100 eco-innovations 2015 after reviewing more than 1,500 projects and businesses from six continents. The 100 cases point to a paradigm shift in eco-innovation: More than half of this year’s selected innovations are not only competing on sustainability criteria, but also on affordability and convenience with for instance new reuse, recycling and take-back models.
“It is the year for eco-consumers," says Laura Storm, CEO of think tank Sustainia behind the study. "In the new Sustainia100 study, it is remarkable to see how creative developments in particularly the circular economy are resulting in products and services highly competitive with non-sustainable alternatives. This empowers sustainability opportunities like never before.”
“This year’s Sustainia100 are fantastic, because they show how practical and affordable sustainable alternatives are for everyone," says Arnold Schwarzenegger, former Gov. of California and Honorary Chair of Sustainia. "As a matter of fact, anyone can be a champion for a healthy lifestyle and more livable communities, while demonstrating that none of us should wait for our governments to solve big challenges. Thank you Sustainia100 for showing us that the time for action is now!"
By identifying 100 readily available innovations for cities, corporations and consumers, the Sustainia100 partners wish to highlight the potential for bottom-up transformation ahead of the much-anticipated climate change negotiations, COP21, in Paris from Nov. 30 to Dec. 11. The partners behind Sustainia100 are UN Global Compact, Connect4 Climate, Regions20, WWF, DNV GL, Realdania, Storebrand and International Federation for Housing and Planning.
Two Factors Driving Competitive Innovation
The increasing competitiveness found among this year’s leading sustainability innovations is especially seen in circular economy innovation and new business models for underserved markets.
“First of all, a growing private sector interest in circular business models is a vital explanation for the rise in competitive sustainability innovations. An increase in commodity prices over the last 15 years has erased the real price declines of the 20th century, giving businesses and consumers a good reason to break free of the linear model of resource use,” says Storm.
One in five of the identified innovations are circular economy models, where businesses are exploring economic incentives attached to circular consumption. These innovations include food waste turned into biofuel; reused air-con filters; and 100 percent recycled workwear.
Additionally, the rising focus on underserved markets, in especially developing countries, is now beginning to create sustainable business models. With a large portion of the world’s population living on around or less than eight dollars per day, also referred to as "the base of the pyramid," this represents an enormous global market. Twenty-three of the 100 innovations are making profit or providing affordable solutions directly addressing the need for reliable energy, sanitation, waste management etc. at the base of the pyramid. These innovations include insurances to protect West African smallholders against extreme weather by way of satellite data; and a low-cost cooking ingot made of recycled metal to treat people with iron deficiency.
The new Sustainia100 study is the fourth publication of leading sustainability innovation. The innovations are screened and selected by independent sustainability experts from 18 international research organizations including Yale University, World Resources Institute and the Acumen Fund. Over the past four years, Sustainia has identified more than 3,200 sustainability solutions.
Selected Cases from SUSTAINIA100:
Vigga (Denmark):
Danish startup Vigga.us is a subscription service that is leasing organic children’s wear through a circular model. For a monthly fee, parents receive clothing and can return for bigger sizes as the child grows saving time, money, and resources. Vigga.us saves parents up to $2,100 in the first year of their baby’s life.
Delta M (Canada):
The air-con filters from Delta M are 100 percent reused and recycled unlike disposable alternatives that create large amounts of solid waste. The company provides a service where used filters are picked up for cleaning and the customers are reimbursed with rebate credit for every filter they return.
Dutch aWEARness (The Netherlands):
Dutch aWEARness uses 100 percent recycled polyester fabric in their closed-loop manufacturing of workwear. No waste is generated from the production process, and water consumption is reduced by as much as 50% compared to conventional work wear manufacturing.
Solar Ear (Brazil):
Low-cost hearing aids with rechargeable solar batteries. The hearing aids are equal in price to disposable alternatives, but last up to three years. Non-sustainable alternatives, such as polluting zinc batteries, last approximately one week.
Olleco (UK):
Olleco collects organic waste from the food industry (cooking oil) to produce biogas, compost, and biodiesel that is looped back to companies, who also benefit by avoiding waste disposal fees. It recycles more than 100,000 tonnes of organic waste each year, which results in the production of 16 million liters of biodiesel as well as renewable heat and power.
ACRE (Kenya, Switzerland):
The Agriculture and Climate Risk Enterprise (ACRE) makes use of automated weather stations, satellite data, and mobile technologies to bring affordable insurance to smallholder farmers in East Africa. This technology makes it possible to reach thousands of remote farmers without amassing high transaction or delivery costs.
Lucky Iron Fish (Canada, Cambodia):
Lucky Iron Fish is an ingot made from recycled scrap iron packages in biodegradable or recycled material. Simply boiling a Lucky Iron Fish ingot for 10 minutes in water can release up to 75 percent of a person’s required daily iron intake. One fish costs less than $10 and lasts for five years, benefitting an entire family with each use.
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A Healthy Microbiome Builds a Strong Immune System That Could Help Defeat COVID-19
By Ana Maldonado-Contreras
Takeaways
- Your gut is home to trillions of bacteria that are vital for keeping you healthy.
- Some of these microbes help to regulate the immune system.
- New research, which has not yet been peer-reviewed, shows the presence of certain bacteria in the gut may reveal which people are more vulnerable to a more severe case of COVID-19.
You may not know it, but you have an army of microbes living inside of you that are essential for fighting off threats, including the virus that causes COVID-19.
How Do Resident Bacteria Keep You Healthy?
<p>Our immune defense is part of a complex biological response against harmful pathogens, such as viruses or bacteria. However, because our bodies are inhabited by trillions of mostly beneficial bacteria, virus and fungi, activation of our immune response is tightly regulated to distinguish between harmful and helpful microbes.</p><p>Our bacteria are spectacular companions diligently helping prime our immune system defenses to combat infections. A seminal study found that mice treated with antibiotics that eliminate bacteria in the gut exhibited an impaired immune response. These animals had low counts of virus-fighting white blood cells, weak antibody responses and poor production of a protein that is vital for <a href="https://doi.org/10.1073/pnas.1019378108" target="_blank">combating viral infection and modulating the immune response</a>.</p><p><a href="https://doi.org/10.1371/journal.pone.0184976" target="_blank" rel="noopener noreferrer">In another study</a>, mice were fed <em>Lactobacillus</em> bacteria, commonly used as probiotic in fermented food. These microbes reduced the severity of influenza infection. The <em>Lactobacillus</em>-treated mice did not lose weight and had only mild lung damage compared with untreated mice. Similarly, others have found that treatment of mice with <em>Lactobacillus</em> protects against different <a href="https://doi.org/10.1038/srep04638" target="_blank" rel="noopener noreferrer">subtypes of</a> <a href="https://doi.org/10.1038/s41598-017-17487-8" target="_blank" rel="noopener noreferrer">influenza</a> <a href="https://doi.org/10.1371/journal.ppat.1008072" target="_blank" rel="noopener noreferrer">virus</a> and human respiratory syncytial virus – the <a href="https://doi.org/10.1038/s41598-019-39602-7" target="_blank" rel="noopener noreferrer">major cause of viral bronchiolitis and pneumonia in children</a>.</p>Chronic Disease and Microbes
<p>Patients with chronic illnesses including Type 2 diabetes, obesity and cardiovascular disease exhibit a hyperactive immune system that fails to recognize a harmless stimulus and is linked to an altered gut microbiome.</p><p>In these chronic diseases, the gut microbiome lacks bacteria that activate <a href="https://doi.org/10.1126/science.1198469" target="_blank" rel="noopener noreferrer">immune cells</a> that block the response against harmless bacteria in our guts. Such alteration of the gut microbiome is also observed in <a href="https://doi.org/10.1073/pnas.1002601107" target="_blank" rel="noopener noreferrer">babies delivered by cesarean section</a>, individuals consuming a poor <a href="https://doi.org/10.1038/nature12820" target="_blank" rel="noopener noreferrer">diet</a> and the <a href="https://doi.org/10.1038/nature11053" target="_blank" rel="noopener noreferrer">elderly</a>.</p><p>In the U.S., 117 million individuals – about half the adult population – <a href="https://health.gov/our-work/food-nutrition/2015-2020-dietary-guidelines/guidelines/" target="_blank" rel="noopener noreferrer">suffer from Type 2 diabetes, obesity, cardiovascular disease or a combination of them</a>. That suggests that half of American adults carry a faulty microbiome army.</p><p>Research in my laboratory focuses on identifying gut bacteria that are critical for creating a balanced immune system, which fights life-threatening bacterial and viral infections, while tolerating the beneficial bacteria in and on us.</p><p>Given that diet affects the diversity of bacteria in the gut, <a href="https://www.umassmed.edu/nutrition/melody-trial-info/" target="_blank" rel="noopener noreferrer">my lab studies show how diet can be used</a> as a therapy for chronic diseases. Using different foods, people can shift their gut microbiome to one that boosts a healthy immune response.</p><p>A fraction of patients infected with SARS-CoV-2, the virus that causes COVID-19 disease, develop severe complications that require hospitalization in intensive care units. What do many of those patients have in common? <a href="https://www.cdc.gov/mmwr/volumes/69/wr/mm6912e2.htm" target="_blank" rel="noopener noreferrer">Old age</a> and chronic diet-related diseases like obesity, Type 2 diabetes and cardiovascular disease.</p><p><a href="http://doi.org/10.1016/j.jada.2008.12.019" target="_blank" rel="noopener noreferrer">Black and Latinx people are disproportionately affected by obesity, Type 2 diabetes and cardiovascular disease</a>, all of which are linked to poor nutrition. Thus, it is not a coincidence that <a href="https://www.cdc.gov/mmwr/volumes/69/wr/mm6933e1.htm" target="_blank" rel="noopener noreferrer">these groups have suffered more deaths from COVID-19</a> compared with whites. This is the case not only in the U.S. but also <a href="https://www.washingtonpost.com/world/europe/blacks-in-britain-are-four-times-as-likely-to-die-of-coronavirus-as-whites-data-show/2020/05/07/2dc76710-9067-11ea-9322-a29e75effc93_story.html" target="_blank" rel="noopener noreferrer">in Britain</a>.</p>Discovering Microbes That Predict COVID-19 Severity
<p>The COVID-19 pandemic has inspired me to shift my research and explore the role of the gut microbiome in the overly aggressive immune response against SARS-CoV-2 infection.</p><p>My colleagues and I have hypothesized that critically ill SARS-CoV-2 patients with conditions like obesity, Type 2 diabetes and cardiovascular disease exhibit an altered gut microbiome that aggravates <a href="https://theconversation.com/exercise-may-help-reduce-risk-of-deadly-covid-19-complication-ards-136922" target="_blank" rel="noopener noreferrer">acute respiratory distress syndrome</a>.</p><p>Acute respiratory distress syndrome, a life-threatening lung injury, in SARS-CoV-2 patients is thought to develop from a <a href="http://doi.org/10.1016/j.cytogfr.2020.05.003" target="_blank" rel="noopener noreferrer">fatal overreaction of the immune response</a> called a <a href="https://theconversation.com/blocking-the-deadly-cytokine-storm-is-a-vital-weapon-for-treating-covid-19-137690" target="_blank" rel="noopener noreferrer">cytokine storm</a> <a href="http://doi.org/10.1016/S2213-2600(20)30216-2" target="_blank" rel="noopener noreferrer">that causes an uncontrolled flood</a> <a href="http://doi.org/10.1016/S2213-2600(20)30216-2" target="_blank" rel="noopener noreferrer">of immune cells into the lungs</a>. In these patients, their own uncontrolled inflammatory immune response, rather than the virus itself, causes the <a href="http://doi.org/10.1007/s00134-020-05991-x" target="_blank" rel="noopener noreferrer">severe lung injury and multiorgan failures</a> that lead to death.</p><p>Several studies <a href="https://doi.org/10.1016/j.trsl.2020.08.004" target="_blank" rel="noopener noreferrer">described in one recent review</a> have identified an altered gut microbiome in patients with COVID-19. However, identification of specific bacteria within the microbiome that could predict COVID-19 severity is lacking.</p><p>To address this question, my colleagues and I recruited COVID-19 hospitalized patients with severe and moderate symptoms. We collected stool and saliva samples to determine whether bacteria within the gut and oral microbiome could predict COVID-19 severity. The identification of microbiome markers that can predict the clinical outcomes of COVID-19 disease is key to help prioritize patients needing urgent treatment.</p><p><a href="https://doi.org/10.1101/2021.01.05.20249061" target="_blank" rel="noopener noreferrer">We demonstrated</a>, in a paper which has not yet been peer reviewed, that the composition of the gut microbiome is the strongest predictor of COVID-19 severity compared to patient's clinical characteristics commonly used to do so. Specifically, we identified that the presence of a bacterium in the stool – called <em>Enterococcus faecalis</em>– was a robust predictor of COVID-19 severity. Not surprisingly, <em>Enterococcus faecalis</em> has been associated with <a href="https://doi.org/10.1053/j.gastro.2011.05.035" target="_blank" rel="noopener noreferrer">chronic</a> <a href="https://doi.org/10.1016/S0002-9440(10)61172-8" target="_blank" rel="noopener noreferrer">inflammation</a>.</p><p><em>Enterococcus faecalis</em> collected from feces can be grown outside of the body in clinical laboratories. Thus, an <em>E. faecalis</em> test might be a cost-effective, rapid and relatively easy way to identify patients who are likely to require more supportive care and therapeutic interventions to improve their chances of survival.</p><p>But it is not yet clear from our research what is the contribution of the altered microbiome in the immune response to SARS-CoV-2 infection. A recent study has shown that <a href="https://doi.org/10.1101/2020.12.11.416180" target="_blank" rel="noopener noreferrer">SARS-CoV-2 infection triggers an imbalance in immune cells</a> called <a href="https://doi.org/10.1111/imr.12170" target="_blank" rel="noopener noreferrer">T regulatory cells that are critical to immune balance</a>.</p><p>Bacteria from the gut microbiome are responsible for the <a href="https://doi.org/10.7554/eLife.30916.001" target="_blank" rel="noopener noreferrer">proper activation</a> <a href="https://doi.org/10.1126/science.1198469" target="_blank" rel="noopener noreferrer">of those T-regulatory</a> <a href="https://doi.org/10.1038/nri.2016.36" target="_blank" rel="noopener noreferrer">cells</a>. Thus, researchers like me need to take repeated patient stool, saliva and blood samples over a longer time frame to learn how the altered microbiome observed in COVID-19 patients can modulate COVID-19 disease severity, perhaps by altering the development of the T-regulatory cells.</p><p>As a Latina scientist investigating interactions between diet, microbiome and immunity, I must stress the importance of better policies to improve access to healthy foods, which lead to a healthier microbiome. It is also important to design culturally sensitive dietary interventions for Black and Latinx communities. While a good-quality diet might not prevent SARS-CoV-2 infection, it can treat the underlying conditions related to its severity.</p><p><em><a href="https://theconversation.com/profiles/ana-maldonado-contreras-1152969" target="_blank">Ana Maldonado-Contreras</a> is an assistant professor of Microbiology and Physiological Systems at the University of Massachusetts Medical School.</em></p><p><em>Disclosure statement: Ana Maldonado-Contreras receives funding from The Helmsley Charitable Trust and her work has been supported by the American Gastroenterological Association. She received The Charles A. King Trust Postdoctoral Research Fellowship. She is also member of the Diversity Committee of the American Gastroenterological Association.</em></p><p><em style="">Reposted with permission from <a href="https://theconversation.com/a-healthy-microbiome-builds-a-strong-immune-system-that-could-help-defeat-covid-19-145668" target="_blank" rel="noopener noreferrer" style="">The Conversation</a>. </em></p>By Jeff Masters, Ph.D.
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