Growing Impact is a podcast by the Institute of Energy and Environment (IEE) that explores cutting-edge projects of researchers and scientists who are solving some of the world's most challenging energy and environmental issues. Each project has been funded through the IEE Seed Grant Program.
Growing Impact: Urban embodied carbon
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Every material that makes up a building, be it steel, concrete, wood, or plastic, has a greenhouse gas emission associated with it. This is called embodied carbon, and calculating the amount of GHG for one building is achievable. However, calculating that amount for an entire city is still a challenge, but a team of researchers is working to make that calculation achievable.
Growing Impact: Cities cooled by trees
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As cities are built, a lot of vegetation is replaced with building materials such as concrete and brick. These materials absorb the sun's heat and then radiate it back into the atmosphere. This leads to urban heat islands where cities are much hotter than the surrounding areas. But trees offer shade and cooling, reducing the temperature in cities. So, what is stopping cities from planting more trees? That is what one research team is investigating.
Growing Impact: Climate and health policy solutions
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Creating laws and policies informed by science and facts was not always the primary method used by legislators and policymakers. Until around 2000, policies were often based on a policymaker's intuition. Today, there are concerted efforts to get vetted, fact-based scientific research on numerous topics into the hands of policymakers. One of those topics is climate change and its impacts on human health. Climate change presents a huge array of health problems, and helping policymakers know how to address them as climate change accelerates will continue to be a very important scientific and practical problem.
Growing Impact: Battery energy from waste heat
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Waste heat has been a challenge that scientists and engineers have been pondering for decades. What can be done with this lost energy and can it be harnessed in a useful way? As combustion and technology improved, the percentage of waste heat has decreased, but it is estimated that up to 50% of all industrial energy is lost through waste heat. If that heat could captured or used in a meaningful way, society would move closer to a circular economy. While Derek Hall and his team explored how different battery chemistries might change a battery’s power and energy output, they discovered new opportunities for turning waste heat into stored electrical energy.
Growing Impact: Fuels from waste
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Combustible fuels have been around ever since humans realized that they could burn wood. Over time, we discovered new energy sources—fossil fuels, which still dominate the world’s energy portfolio. But what if we could find another fuel source, one that was abundant, easy to procure, and people were happy to give it away? Something like municipal or agricultural waste? One fuel, called hydrochar, which is a proposed replacement for coal, can be made in a laboratory from waste using water and some low-cost catalysts. It might just be the answer to a burning energy question.
Growing Impact: Cleaner community air
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A lot of our lives is impacted by the air we breathe, both inside and outside. And where we live is an important factor in this equation. For those living in the Pittsburgh area, it is likely that they could be impacted by poor air quality related to large industrial sites that dot the western Pennsylvania landscape. To better understand the air quality concerns of this region and how it's impacted by complex terrain, a team of interdisciplinary researchers is working closely with communities and organizations in the region to explore what concerns exist and how they might be addressed.
Growing Impact: The art of renewable energy
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Developing renewable energy solutions and innovations is one thing. Having people adopt and implement them is another. To meet that challenge, researchers and designers have been creating art installations to engage the public and grow interest in renewable energy. Using nature as inspiration, the team has developed multiple concepts that look to increase renewable energy literacy and adoption.
Growing Impact: Farms of the future
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What does it take to get a piece of steak or chicken to someone's table? The amount of time, energy, water, land, and the resulting carbon footprint may be surprising. Today, scientists are exploring the farms of the future, including the generation of meat products through cellular agriculture. These animal-based proteins have plenty of pros, including sustainable production, and groups, ranging from U.S. government to the meat industry, are investigating the future of cellular agriculture.
Growing Impact: Climate signals from wetlands
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Wetlands are some of the richest ecosystems in the world. They support an extensive variety of plants and animals, from the smallest of microbes to the largest of mammals. Wetlands also filter and protect water, improving its quality. However, as climate change intensifies, wetlands are threatened by changes in precipitation, both too much and too little. They may also provide early signals of climate change impacts.
Growing Impact: Food-energy-water dynamics
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The groundwater levels in India are consistently dropping year to year. In fact, India uses more groundwater than any country in the world. However, it is also a nation that lacks water availability, and its population continues to grow. A team of researchers is analyzing how an Indian government policy aimed at installing and using solar irrigation pumps in agriculture may further lower groundwater levels, impact energy use, and help or hinder food production in India.