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Traditional diamond mining is a billion-dollar industry with significant environmental impact, releasing large amounts of carbon emissions and causing damage to local ecosystems worldwide. However, carbon-negative diamonds are produced through a process that actually captures carbon emissions from the atmosphere, making them a much more sustainable alternative for the jewellery industry. Aether Diamonds, a major player in this industry, uses direct-capture technology for diamond production in a two-step process. First, a reactor is used to extract the carbon dioxide from the atmosphere, while this raw carbon material is placed in another reactor that kickstarts the diamond-growing process. The resulting diamonds are visually indistinguishable from traditionally-mined diamonds and have the same physical and chemical properties, but have been produced with a much lower carbon footprint. This ingenious solution reimagines existing carbon-capture services, where firms are paid by various multinational corporations to capture their carbon emissions, by recycling this extracted carbon dioxide for an inventive purpose. By eliminating 20 tons of carbon dioxide for every 1-carat diamond produced, each diamond can actively contribute to carbon emission reduction efforts. Beyond the jewelry industry, researchers have used a similar process to produce important industrial materials from carbon. Dr. Stuart Licht, a chemistry professor at George Washington University, is a leading academic in this field of renewable technology. His patented technology, the Solar Thermal Electrochemical Photo (STEP) energy conversion, captures carbon dioxide using renewable solar energy to create carbon nanofibers. This material provides a lighter and stronger alternative to metals like steel, and is used in luxury sports cars, aeroplanes like the Boeing Dreamliner, and high-end athletic equipment. These creative uses of carbon-capture technology offer a promising future, especially with carbon-negative diamonds for the sustainable fashion industry. Beyond that, these diamonds also offer a more ethical alternative — sustainable diamond production avoids the international human rights abuses and violence that traditional diamond mining has been linked to. All in all, carbon-negative diamonds have the potential to revolutionize the sustainable fashion industry and beyond, and are a fascinating scientific innovation with many exciting future implications.
Scientists at MIT have developed a process that could significantly reduce the cost of using carbon capture to fight global warming by drawing CO2 out of seawater. The process could appeal to small nations whose economies rely on tourism, aquaculture, and fishing industries that could be severely damaged by climate change. Another company, Captura Corp., is also working on a similar process and has received financial support from Saudi Arabian Oil Co. and a $1 million grant from a carbon removal XPRIZE competition.
Have you ever stopped to consider the impact of packaging on our environment? From the plastic wrapper on your favorite snack to the cardboard box delivered to your doorstep, packaging plays a significant role in our daily lives. However, the production, use, and disposal of packaging materials have significant environmental impact. But what if we could create sustainable packaging that reduces waste and preserves our planet for future generations? That's where material science comes in. Material scientists study the properties and behavior of materials, including those used in packaging, to develop more sustainable solutions. One promising area of research is in bioplastics, which are made from renewable resources such as corn or sugarcane, and can be biodegradable or compostable. According to Dr. Ramani Narayan, a leading material scientist at Michigan State University, "The use of bioplastics can reduce our dependence on fossil fuels, minimize greenhouse gas emissions, and create a closed-loop system for waste management." In addition to material science, companies producing consumer products are also taking steps to reduce their environmental impact through sustainable packaging. For example, Nestle has committed to making 100% of its packaging recyclable or reusable by 2025, and has already made significant progress towards this goal. Similarly, Procter & Gamble has pledged to use 100% recyclable or reusable packaging by 2030. However, there is still a long way to go. According to the Ellen MacArthur Foundation, only 14% of plastic packaging is recycled, and the rest ends up in landfills or pollutes our oceans. We need innovative solutions and dedicated individuals to make a real impact on the environment. Together, we can work towards a more sustainable future, one package at a time.
Want to finance forest carbon credits and help mitigate climate change? A new report from Imperial College Business School reveals that diversifying forest investments can reduce investment risk and yield financial returns. Discover the exciting potential for forestry projects to protect biodiversity and become a more predictable asset class.
Did you know that visiting a website can generate up to 10 times the recommended carbon emissions? Learn how businesses are reducing their web carbon footprint through renewable hosting and optimizing web design. Discover the tools that can help you calculate your website's environmental impact and explore the case study of a product design studio that reduced its homepage carbon emissions by 96%.
The fashion industry contributes 4% of global greenhouse-gas emissions, emitting as much as France, Germany, and the UK combined. McKinsey research shows that the industry is on track to overshoot its 1.5-degree pathway to mitigate climate change by almost twofold. However, almost 90% of the measures required for accelerated abatement would cost less than $50 per metric ton of GHG emissions abated. Discover how the entire fashion value chain can drive decarbonization and bring about real and lasting change for the better in the industry.
What if we could capture carbon emissions at low cost, using a common polymer found in dinnerware and utensils? Researchers at UC Berkeley and Stanford have developed a method for using melamine to capture carbon dioxide from smokestacks and vehicle exhaust, with efficiency comparable to more expensive materials. This breakthrough could help achieve net-zero carbon emissions by 2050, and the researchers are exploring ways to improve the carbon capture efficiency even further.
Water security is a pressing issue in our world today, as access to clean and safe water is essential for human survival, yet many communities face challenges in securing a reliable source of water. That's why it's important to explore the innovative solutions being developed to ensure the long-term sustainability of our water supplies. Did you know that only 0.5% of the world's water is fresh and accessible, while the rest is either too salty or too remote to use? This is why it's crucial to conserve water and ensure that we have access to it for future generations. Leading academics in the field of water security, such as Dr. Jay Famiglietti and Dr. Arjen Hoekstra, have conducted extensive research on water conservation and developed innovative solutions to the challenges faced by communities in securing water. Dr. Famiglietti, a hydrologist and professor at the University of Saskatchewan, has developed new methods for measuring groundwater depletion, which is a critical issue in many parts of the world. Meanwhile, Dr. Hoekstra, a former water expert and professor at the University of Twente in the Netherlands, has focused on the development of the "Water Footprint" concept, which measures the amount of water used to produce goods and services. Here are some interesting facts about water security and conservation: - In countries like the United States, the amount of water used by households has increased by over 600% in the last 50 years. - In some regions, such as the Middle East, the demand for water is growing at an unsustainable rate, putting pressure on already limited resources. - The agriculture sector uses 70% of the world's freshwater resources, making it the largest user of water. By exploring water security and innovations in water conservation, you can help to ensure that this precious resource is protected for future generations. Get started today and make a difference!
As more businesses pledge to reduce greenhouse-gas emissions, the demand for carbon credits could increase by a factor of 15 or more by 2030, making the market worth upward of $50 billion. But the current market is fragmented and complex, with limited pricing data and questionable emissions reductions. Learn how market participants and other constituencies can address these issues to scale up the voluntary carbon market and direct private financing to climate-action projects.
Imperial researchers have found that integrating solar and battery power in refugee camps can drastically reduce fuel expenditure and emissions while also boosting the local economy. The system, funded in part by a grant from the UKRI Global Challenges and Research Fund, could provide reliable access to electricity for more people. Find out how this innovative solution can improve the lives of displaced people.
Can economic growth and climate goals be reconciled? McKinsey's research suggests a tenfold increase in carbon productivity is needed by 2050, comparable to the Industrial Revolution. The cost of this "carbon revolution" is manageable, but without it, we face stark consequences. Explore how we can capture the lowest-cost abatement opportunities to achieve critical emissions targets and avoid a major drop in lifestyle.
Imperial College start-ups are leading the way in solving critical environmental problems through innovative solutions. From construction materials made from food waste, to sustainable fashion apps and fixing broken items, these students and staff are using their entrepreneurial spirit to tackle the climate crisis.
Are you passionate about making a positive impact on the world? Do you want to help companies and organizations reduce their environmental footprint and operate in a more sustainable way? If so, then a career as a Sustainability Consultant might be perfect for you! As a Sustainability Consultant, you'll work with a wide variety of clients to identify and implement sustainable practices and solutions. You'll help companies reduce their carbon footprint, conserve resources, and improve their overall environmental performance. You'll also help them comply with regulations and meet sustainability standards. One great thing about being a Sustainability Consultant is that you get to work on a wide range of projects. For example, you might work with a restaurant to help them reduce food waste and switch to more sustainable packaging. Or, you might work with a large corporation to help them implement renewable energy sources and reduce their greenhouse gas emissions. To be successful in this field, you'll need to have a strong understanding of sustainability principles and practices. You'll also need to be able to communicate effectively with clients and stakeholders, and be able to think creatively to come up with innovative solutions. Typical duties for a Sustainability Consultant might include conducting sustainability audits, developing sustainability plans and strategies, conducting research on sustainability issues, and providing training and education to clients and stakeholders. There are many areas of specialization within the field of sustainability consulting, including renewable energy, waste management, sustainable agriculture, and green building. You might also work in related fields such as environmental policy or corporate social responsibility. To become a Sustainability Consultant, you'll typically need a bachelor's degree in a related field such as environmental science, sustainability, or engineering. Some popular undergraduate programs and majors include Environmental Studies, Sustainable Business, and Renewable Energy. Helpful personal attributes for a career in sustainability consulting include strong analytical skills, excellent communication skills, and a passion for sustainability and environmental stewardship. Job prospects for Sustainability Consultants are strong, with many opportunities available in both the public and private sectors. Some notable employers in this field include consulting firms such as Deloitte and PwC, as well as government agencies and non-profit organizations. In conclusion, if you're passionate about sustainability and want to make a positive impact on the world, a career as a Sustainability Consultant might be the perfect fit for you. With a wide range of projects and opportunities available, and a strong job outlook, this is a field worth exploring further!
Carbon dioxide (CO2) is one of the most dangerous greenhouse gases that is causing global warming and climate change. It stays in the atmosphere for much longer than other gases such as methane, which only stays in the atmosphere for about 12 years, while CO2 can remain in the atmosphere for thousands of years. Leading climate scientists such as Dr. James Hansen agree that increasing levels of CO2 in the atmosphere are causing global temperatures to rise, leading to melting glaciers, rising sea levels, and more frequent and intense natural disasters such as hurricanes, droughts, and wildfires. Decarbonization is the process of reducing the carbon footprint of our economy by transitioning from fossil fuels to cleaner, renewable energy sources such as wind and solar. This is crucial in order to prevent dangerous levels of global warming and ensure a sustainable future for generations to come. One promising innovation in the field of decarbonization is carbon capture and storage (CCS), which involves capturing CO2 emissions from power plants and industrial processes and storing them underground. Another is the development of electric vehicles, which produce zero emissions and have the potential to greatly reduce our reliance on fossil fuels. Leading academics in the field, such as Dr. David McCollum, have emphasized the importance of decarbonization in limiting global temperature rise to below 2 degrees Celsius, a threshold beyond which the impacts of climate change would become catastrophic and irreversible.
"Rocks are becoming rocks again!" says chemist Peter Psarras from the Clean Energy Conversions Lab (CECL) at the University of Pennsylvania. Psarras and his team are turning waste from industrial mines into magnesium carbonate through a carbon-neutral and inexpensive process, with the goal of storing CO2. With five partner mines, the CECL lab, funded by the Kleinman Center for Energy Policy and the School of Engineering and Applied Science, is exploring the environmental potential of mine tailings and determining the scalability of the carbonation process. Join Psarras and the CECL in their mission to tap into the "moved mountain" of waste and be inspired by their cutting-edge technology.
The world is constantly changing, and as high school students, it is essential to be aware of the problems that need solutions. Vinisha Umashankar, a 14-year-old from India, noticed the pollution caused by charcoal usage in the metal irons of street vendors and decided to take action. She designed an ironing cart powered by solar energy, eliminating the use of charcoal, deforestation, air pollution, and respiratory diseases caused by the traditional method. Learning about solar energy and sustainable solutions like Vinisha's can benefit you not only intellectually but practically as well. By exploring these concepts further, you can contribute to creating a better world for yourself and the generations to come.
Have you ever thought about what happens to your old electronic devices when you replace them with new ones? E-waste, also known as electronic waste, refers to discarded electronic devices, such as smartphones, computers, televisions, and other electronic gadgets. This type of waste is becoming a significant global problem, as it contains hazardous materials and is difficult to recycle. According to a report by the United Nations, the world generates around 50 million tons of e-waste every year, with only a small fraction of it being recycled properly. This not only causes harm to the environment but also means that valuable resources, such as precious metals, are being wasted. Enter the concept of "cash for e-waste." This idea aims to incentivize people to properly dispose of their e-waste by paying them for it. This approach has been studied and advocated by leading academics in the field, such as Dr. Kate Armitage and Professor Eric Williams, who argue that it could be a crucial step towards a more sustainable future. By properly recycling e-waste, not only are we reducing harm to the environment but also recovering valuable materials. For example, a single computer can contain up to several grams of gold, which can be recovered and sold. This not only helps to reduce the environmental impact of e-waste but also creates economic opportunities, particularly in developing countries where e-waste is often exported. E-waste is a complex and pressing issue, but by exploring it and learning more, you can help make a difference. Who knows, you might even uncover some hidden treasures in the process!
The world's shift towards electric vehicles to reduce greenhouse gas emissions will require a huge demand for critical metals like lithium, nickel, cobalt, manganese, and platinum. This demand will have economic and supply-chain consequences, according to new research from Cornell University. Discover how countries can manage this demand and promote a circular economy for critical metals.
Scientists at A\*STAR's IMRE have successfully upcycled PET plastic waste into polymer electrolytes, which are key components for safer LiBs. This paves the way for a future powered by more sustainable energy, creating a circular economy while combating the mounting plastic waste issue. The team aims to advance the technology for upcycling waste plastics on a larger scale to create components for eco-friendly batteries.
Mining has been a crucial part of human civilization for centuries, providing us with the resources we need to build, create and thrive. But with this extraction comes consequences, particularly in the form of mine tailings. Mine tailings are the waste materials left over after the ore has been extracted, and they can have significant impacts on the environment, particularly with regards to climate change. To understand the impact of mine tailings, it's important to first understand the science behind mining. When ore is extracted, the minerals are separated from the rest of the material, leaving behind a mixture of minerals, water, and other substances. This mixture is called tailings, and it can contain harmful chemicals, such as heavy metals, that can leach into the environment. Leading academics in the field, such as Dr. Sara Colombo and Dr. Jian Kang, have studied the environmental impact of mine tailings and have found that they can lead to soil and water pollution, as well as contribute to greenhouse gas emissions. For example, Dr. Colombo's research has shown that tailings dams can release large amounts of methane, a potent greenhouse gas, into the atmosphere. These impacts are a concern for many communities, as well as for the planet as a whole. But despite this, there is hope for a more sustainable future. Researchers like Dr. Jian Kang are working to develop new technologies that can reduce the environmental impact of mine tailings, such as using them as a source of energy instead of just waste.
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