Sierra Vista News and Announcements

  • Earth Talk: Global Warming and the evolution of wildlife species

    Dear EarthTalk: Could global warming really already be a factor in the evolution of wildlife species? -- V.D. No doubt the quickly changing climate is already triggering various evolutionary shifts in a wide range of species. And while we can’t be sure ...

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  • Earth Talk: Neil Gorsuch and environmental policy

    Dear EarthTalk: If Neil Gorsuch is confirmed to fill the vacant seat on the Supreme Court, what will be the implications for environmental and climate policy?  -- JM Environmental leaders aren’t particularly jazzed about Neil Gorsuch as Donald Tru...

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  • Earth Talk: Fuel Efficiency and 18 Wheelers

    Dear EarthTalk: It’s obvious that our cars are getting greener every year, but what about 18 wheelers? -- P.M We all rely on heavy duty trucks to haul as much as 80 percent of the goods we use and consume. But those ubiquitous 18-wheelers are also a big con...

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  • Earth Talk: Reducing Carbon Footprint With Gamification

    Dear EarthTalk: What are some ways people are using games to help reduce their carbon footprints? -- LM Environmental advocates and organizations are increasingly employing gamification—defined by Merriam-Webster as “the process of adding games or game-like elem...

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  • Earth Talk: Pesticides effects on the environment

    Dear EarthTalk: Even though pesticides may take an environmental toll, isn’t it worth it given how many more mouths we can feed thanks to their use?                   -- M.J. ...

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  • Earth Talk: Michael Bloomberg's Environmentalism

    Dear EarthTalk: Since when did Michael Bloomberg become a great environmentalist? -- J.M. Michael Bloomberg was primarily known as a financier and media tycoon long before he became one of the most beloved mayors in New York City history. But what most people still...

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  • Earth Talk: Climate change and the affect on real estate values

    Dear EarthTalk: How will climate change affect real estate values? -- J.W. It’s not surprising that questions like these are on readers’ minds today, given the relentless hurricanes in the Southeast, the devastating wildfires in California and other clima...

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  • Earth Talk: Geoengineering solutions to address climate woes

    Dear EarthTalk: Are there any realistic geoengineering solutions to our climate woes and why haven’t we started employing them yet? -- A.M. Geoengineering our way out of the climate crisis is something so drastic that no one really wants to admit it mig...

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  • Earth Talk: Over-Fortified Processed Foods

    Dear EarthTalk: Is it true that much of our food—including cereals and snacks eaten by children—is actually over-fortified with excessive amounts of vitamins and minerals that can be dangerous to our health? -- Diane S. Added nutrients in the processed foods we...

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  • Earth Talk: Volvo ending their production of gas-powered engines

    Dear EarthTalk: Does Volvo’s embrace of electric cars signal the beginning of the end of the gas-powered internal combustion engine? ­-- Macy Vigneault, New Orleans, LA Volvo has announced that it will only sell hybrid and electric cars beginnin...

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