LIBROS DEL AUTOR: stephen o andersen

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  • Protecting the Ozone Layer
    K Madhava Sarma / Stephen O Andersen
    In the 1970s the world became aware of a huge danger: the destruction of the stratospheric ozone layer by CFCs escaping into the atmosphere, and the damage this could do to human health and the food chain. So great was the threat that by 1987 the UN had succeeded in coordinating an international treaty to phase out emissions; which, over the following 15 years has been implemen...
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