<ol>
<li>For most of recent history, people have used energy wastefully, but now that supplies of essential fuels are becoming rapidly depleted, environmentalists are urging people to change it</li>
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<p>What's the proper grammatical rule for why it is wrong besides the fact that I thought it was ambiguous. </p>
<ol>
<li>insist that a poem means whatever one wants it to mean is often ignoring the intention and even the words of the poet.</li>
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<p>what's wrong with ignoring? parallelism? to ignore? I just never got this part of parallelism as the sentence seems awkward to read.</p>
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<li>among the most dangerous environmental threats that we face are "compu-garbage," the nonbiodegradable and often toxic waste resulting from the improper disposal of obsolete personal computers.</li>
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<p>"For most of recent history, people have used energy wastefully, but now that supplies of essential fuels are becoming rapidly depleted, environmentalists are urging people to change it</p>
<p>What’s the proper grammatical rule for why it is wrong besides the fact that I thought it was ambiguous."</p>
<p>The College Board requires that the pronoun’s antedecent be endophoric (i.e., you have to be able to point to a noun within the sentence that serves as the pronoun’s referrent). </p>
<ol>
<li>among the most dangerous environmental threats that we face are -garbage,“compu” the nonbiodegradable and often toxic waste resulting from the improper disposal of obsolete personal computers.</li>
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<p>why is are wrong? </p>
<p>Are is wrong because the subject of the sentence isn’t the “environmental threats” but rather “compu-garbage”, which is singular.</p>