'The new PBS documentary 'Earth Emergency' is essential viewing for anyone who wants to understand extreme weather's causes and what can be done about it.'
, is not only a wake-up call to policymakers and the public, but a sort of"Extreme Weather for Dummies" that explains the fatal factors wreaking havoc on our environment.
George Woodwell, the ninety-one-year-old cofounder of the Environmental Defense Fund and a global warming awareness pioneer, explains"tipping points" and"feedback loops"—key concepts essential for grasping how extreme weather is created, generated, and perpetuated. These chain reactions amplify and accelerate the destructive trends being unleashed upon the planet by human activities, in particular the emission of greenhouse gas.
"Deforestation makes [the land] dryer," observes Coe. Logging of temperate forests in the southeastern United States also contributes to this deadly process, and Coe points out trees can be"used for commercial purposes or [kept alive] to cool the planet." "The rise of sea level is due to melting ice," says narrator Gere."There will be a 100-foot rise [in sea level] if Greenland and Antarctica melt, [which] will cause the feedback loop to spin out of control," and presumably inundate coastal areas.
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