By the time a hamburger finally lands on a dinner plate,it has taken a heavy toll on the environment.It is believed that the process of making a half-pound all-beef burger adds about 19 times the weight of hamburgers in carbon dioxide.
The message is clear:We can greatly reduce the production of greenhouse gases by eating less beef.Other kinds of meat like pork and chicken do less harm to the environment—at least in terms of the amount of greenhouse gases released.Nathan Pelletier,a scientist at Dalhousie University in Canada,reported that if everyone in industrial countries ate chicken instead of beef,we would cut the Earth’s greenhouse gases by more than half.
All kinds of meat,the scientists reported,are harder on the planet than vegetables.To grow and eat a pound of potatoes,for example,sends less than one quarter pound of carbon dioxide into the air.So shifting our diet to less meat and more vegetables may do the world some good.
36.The text mainly tells us ________.
A.what we eat can affect the whole planet
B.the way we live affects the environment
C.how we can save energy on the Earth
D.how we can produce environment-friendly food
37.What is likely to happen if the climate is getting warmer according to the passage?
A.Sea level will continue to rise sharply.
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