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Thread: Climate change health risk is a 'medical emergency', experts warn

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    Administrator Islander's Avatar
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    Default Climate change health risk is a 'medical emergency', experts warn

    Kate Kelland
    Tue Jun 23, 2015

    The threat to human health from climate change is so great that it could undermine the last 50 years of gains in development and global health, experts warned on Tuesday.

    Extreme weather events such as floods and heat waves bring rising risks of infectious diseases, poor nutrition and stress, the specialists said, while polluted cities where people work long hours and have no time or space to walk, cycle or relax are bad for the heart as well as respiratory and mental health.

    Almost 200 countries have set a 2 degrees C global average temperature rise above pre-industrial times as a ceiling to limit climate change, but scientists say the current trajectory could lead to around a 4 degrees C rise in average temperatures, risking droughts, floods, storms and rising sea levels.

    Read more: http://www.reuters.com/article/2015/...ame=healthNews
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    Default Re: Climate change health risk is a 'medical emergency', experts warn

    The combination of high heat and humidity alone can kill. I forget the science; it's something about "wet bulb" — maybe someone can look it up?
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    Default Re: Climate change health risk is a 'medical emergency', experts warn

    This has been in the news for the past few days:

    http://www.takepart.com/article/2015...stan-heat-wave

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    Default Re: Climate change health risk is a 'medical emergency', experts warn

    This is from Wikipedia, so one may wish to take this definition for what it is worth. In this particular case, however, the definition does correspond to the information we were taught in the US Navy, about a billion years ago.

    The corpsman was told to come down to the fire room and to the engine room while we were transiting through the tropics, to ascertain the regular dry bulb temperature, as well as the wet bulb temperature. When the CO was satisfied that the heat and humidity down there where we worked all day was high enough to be life threatening to us sailors, the Navy's "solution" was to provide us with free Gatorade. Somehow we all seemed to have lived through the experience.

    Wet-bulb temperature

    From Wikipedia, the free encyclopedia


    The wet-bulb temperature is the temperature a parcel of air would have if it were cooled to saturation (100% relative humidity) by the evaporation of water into it, with the latent heat being supplied by the parcel.[1] A wet-bulb thermometer will indicate a temperature close to the true (thermodynamic) wet-bulb temperature. The wet-bulb temperature is the lowest temperature that can be reached under current ambient conditions by the evaporation of water only. Wet-bulb temperature is largely determined by both actual air temperature (dry-bulb temperature) and the amount of moisture in the air (humidity). At 100% relative humidity, the wet-bulb temperature equals the dry-bulb temperature.

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    Default Re: Climate change health risk is a 'medical emergency', experts warn

    A wet-bulb temperature of 95 degrees is lethal after about six hours.
    http://www.nytimes.com/2015/06/07/op...dity.html?_r=0
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