According to Butler, the dangers usually associated with nuclear energy have generated

The word in parentheses describes the idea expressed by the term in boldtype in

In the fragments “…excessive legal and permitting delays are pushing up the capital cost of new nuclear-power plants …” (lines 14-16) and “…we´ll throw out to be buried in landfills.” (lines 39-40), the phrases “pushing up” and “throw out”, are replaced, without substantial change in meaning, by

Based on the meanings of the words in the text, it can be said that

Concerning the figures presented in the text,

Butler concludes that “The safety level in nuclear-energy production now easily surpasses other energy sources.” (lines 44-45) based on the fact that

According to paragraph 8 (lines 32-40), Butler feels that nuclear waste

“This” in “And this can be safely deposited in deep repositories.” (line 37-38) refers to

According to Stuart Butler, nuclear power is true ‘green’ energy because it

O título do texto de Carlos Minc estabelece uma reflexão a respeito dos caminhos a serem tomados para preservação da natureza.

A única expressão que está de acordo com tal encaminhamento é