Category: climate change

  • Green Junction: Do we understand PFAS? By Julie Peller Ph.D.

    The acronym PFAS is now common to those who pay attention to chemical pollutants. PFAS stands for per- and polyfluoroalkyl substances. These are manufactured chemical compounds that contain a lot of fluorine. It is important to note that natural fluorine-containing compounds are scarce. PFAS are very stable in the natural environment and are often labeled […]

  • Green Junction: Plastic materials manufactured since 1950 is over 9 billion tons: By Julie Peller Ph.D.

    According to the World Economic Forum, the production of plastic is expected to double over the next 20 years. Half of the plastics in our world now have been made over the past two decades. The accumulated amount of plastic materials manufactured since 1950 is over 9 billion tons, which some researchers describe as over […]

  • Green Junction: How exactly can carbon dioxide be removed from the air?By Julie Peller Ph.D.

    A recent statement by the United States Secretary of Energy, Jennifer Granholm, suggests that one of the many ways to address climate change is through the removal of carbon dioxide from the atmosphere. “..removing legacy carbon pollution from the air through direct air capture and safely storing it is an essential weapon in our fight […]

  • Green Junction: Carbon footprints By Julie Peller Ph.D.

    Leaders from countries with the largest carbon footprints recently met to discuss last November’s climate goals in Glasgow. An overall conclusion was that the necessary actions to reduce carbon emissions and slow climate change are not being implemented fast enough.  As an example, the world used 9% more coal in 2021 than in 2020. While we look […]

  • Green Junction: The Band Coldplay by Julie Peller Ph.D.

    Many people and organizations are making the critical changes that are required for a sustainable planet. My students recently brought to my attention the eco-responsible actions of the music group Coldplay on their current world tour. The British band started their eco-friendly world tour this past March in Costa Rica, a country that the band […]

  • Green Junction: Existential Threat to Human Health by Julie Peller Ph.D. threat to human health 

    A newly released article describes modern-day pollution levels as “an existential threat to human health and planetary health, and jeopardizes the sustainability of modern societies.” The authors studied 2019 data from Global Burden of Diseases, Injuries, and Risk Factors and determined that 9 million people, or 1 in 6 people, die each year due to […]

  • Green Junction: We take for granted Water by Julie Peller Ph.D.

    Many areas worldwide experience shortages of fresh water and/or severe problems with contaminated water supplies. At the same time, populations of people use significant amounts of water to create unnatural green lawns through daily watering and overuse of fertilizers. In contrast, Nature’s rainfall is concentrated along or near the equator; daily rain is rare in […]

  • Green Junction: Think about your freshwater. By Julie Peller Ph.D.

    Spring is the season of more daylight, more sunshine, and the renewal of plant life. Warmer temperatures and plentiful rainfall bring about budding trees and bushes and green grass. Among colorful spring flowers, the beauty of yellow dandelions emerges. Dandelions are known to contain many nutrients and have been used for food, drinks, and medicinal benefits for […]

  • Green Junction: Carbon footprints by Julie Peller Ph.D.

    Leaders from countries with the largest carbon footprints recently met to discuss last November’s climate goals in Glasgow. An overall conclusion was that the necessary actions to reduce carbon emissions and slow climate change are not being implemented fast enough.  As an example, the world used 9% more coal in 2021 than in 2020. While we look […]

  • Green Junction: Look around the house what do so many items have in common? By Julie Peller Ph.D.

    What do curtains, carpets, furniture fabrics, insulation, and certain plastics often have in common? Flame retardants; are chemical additives that have been incorporated into many common goods and often in response to state and federal flammability requirements. As the name implies, these chemical compounds are added to reduce the flammability of materials or slow the […]