Global temperature increases are slowing, electric vehicle sales are growing, and renewable energy is now cheaper than some fossil fuels. Also, in a recent outbreak of avian flu, the virus has jumped from birds to cows, and to one dairy worker. A disease ecologist provides context.<h2>Progress Toward A Clean Energy Transition</h2>In honor of Earth Day, we’re highlighting a few positive trends and some promising solutions to the climate crisis. Globally, a clean energy transition is underway. A recent column in cipher, an online news outlet focused on climate solutions, recapped some encouraging progress, including a rise in electric car sales, a drop in the cost of renewable energy, and a <a href="https://www.sciencefriday.com/segments/clean-energy-transition-progress/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">slowing of global temperature increases.</a>SciFri’s John Dankosky is joined by Casey Crownhart, climate reporter at MIT Technology Review, to talk through some climate solutions news and other top science stories of the week, including a record year for wind energy, a proposal to swap out power lines to increase grid capacity, and hibernating bumble bees who can live for a week underwater.<h2>Why Avian Flu In Cattle And Humans Has Scientists Concerned</h2>During the last few weeks, you may have heard about an ongoing outbreak of avian flu in which the virus has jumped from wild birds and poultry to cattle in eight states, and now to one dairy worker. While <a href="https://www.sciencefriday.com/segments/bird-flu-outbreak-cows-and-humans/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">transmission to cattle and humans is new</a>, <a href="https://www.sciencefriday.com/segments/bird-flu-outbreak-cows-and-humans/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">avian flu has been spreading</a> and decimating wild bird populations for years, and has led to many farmers to “depopulate” their poultry stock to contain the spread of the deadly virus, with limited success.Guest host Maggie Koerth is joined by Dr. Nichola Hill, assistant professor of biology at the University of Massachusetts Boston, to talk about how devastating this virus has been to birds across the world, why the jump from birds to mammals is making virologists anxious, and how concerned the rest of us should be.Transcripts for each segment will be available the week after the show airs on <a href="https://www.sciencefriday.com/episodes/april-19-2024/?utm_source=wnyc&utm_medium=podcast&utm_campaign=scifri" target="_blank">sciencefriday.com</a>.
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Clean Energy Transition Progress | Avian Flu In Cattle And Humans Has Scientists Concerned

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