20 episodes

A look at our changing environment.

Earth Wise Earth Wise

    • Education
    • 2.0 • 1 Rating

A look at our changing environment.

    Recycling cement

    Recycling cement

    Concrete is the second-most-used material on the planet.  Only water is used more.  Producing concrete is responsible for 7.5% of human-produced carbon dioxide emissions.  So, finding a cost-effective way to reduce these emissions is a major challenge in the face of ever-growing global demand for concrete. Researchers at Cambridge University have found that used cement […]

    • 2 min
    Beware of the blob

    Beware of the blob

    For the past 10 years, there have been several occurrences of a vast expanse of ocean stretching from Alaska to California in which water temperatures are as much as 7 degrees Fahrenheit warmer than normal.  Known jocularly as “the Blob,” the phenomenon can last for several years and decimates fish stocks, starves seabirds, creates blooms […]

    • 2 min
    A month of extra-hot days

    A month of extra-hot days

    The past 12 months have been the hottest ever measured across the globe.  This may not be everyone’s experience in every location, but the average person on Earth experienced 26 more days of abnormally high temperatures than they would have in the absence of climate change. Researchers considered a given day’s temperature to be abnormally […]

    • 2 min
    Olive oil and climate change

    Olive oil and climate change

    Olive oil is a liquid fat obtained by mashing whole olives and extracting the oil.  A superfood staple of the Mediterranean diet, olive oil is used in kitchens around the world for frying, sauteing, baking, and as a condiment.  It can also be widely found in cosmetics, soaps, and pharmaceutical products.  Globally, 2.6 million tons […]

    • 2 min
    Cloud brightening

    Cloud brightening

    Solar geoengineering is a type of climate intervention:  deliberate actions designed to affect the climate.  There are several ways to try to reduce the amount of sunlight reaching the surface of the earth and all of them are controversial.  Perhaps the least controversial approach is cloud brightening. The idea is based on something called the […]

    • 2 min
    Around-the-clock clean energy

    Around-the-clock clean energy

    Using solar and wind power can go a long way toward replacing fossil fuel-generated electricity, particularly with the addition of battery energy storage.  But because of the intermittent nature of both sun and wind, other sources are still needed.  There is also the need for ways to produce high temperature for industrial processes.  Complete decarbonization […]

    • 2 min

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