Sentences with phrase «worried by population growth»
In 1969, he was so worried by population growth that he organized the Hunger Show, a weeklong fast in a parking lot to dramatize the coming global famine predicted by Paul Ehrlich, one of his mentors at Stanford.
It is often argued that we don't have to worry about the effect of populationgrowth on emissions growth because we can cut our emissions by changing technologies and pursuing energy efficiency.