Read this excerpt: Well, according to a United Nations' report cited on the
Mother Nature Network site, the production, consumption,
and disposal of meat results in - get ready – 70 percent
of the world's water consumption, a full 38 percent of the
world's land use, and almost 20 percent of all greenhouse
gas emissions.
Why does the author cite this information in the article?
A. To criticize those who don't support serious environmental issues
B. To prove that vegans are healthier than people who eat meat
products
C. To show that meat eaters practice disgusting and unhealthy
habits
D. To respond to the counterclaim that veganism is bad for the
environment