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英検1級 二次 予想トピック 5 ・ 🌱 環境・エネルギー ・ Is ~ worth ~?

Is carbon capture technology worth the huge investment?

二酸化炭素の回収技術は、巨額の投資に見合う価値があるか。

このトピックを選ぶべき人

技術の可能性とコストを比べて論じるのが好きな人向け。

骨組み理由3つ（どちらの立場でも話せる）

賛成（Yes）で話すなら

I believe carbon capture is worth the investment, because some emissions are almost impossible to eliminate in any other way.

  1. hard-to-cut sectorsIndustries such as cement and steel produce carbon dioxide as part of their chemical processes, not just from energy use. Capturing these emissions may be the only realistic way to make them carbon neutral.
  2. removing past emissionsEven if we stopped emitting today, there would already be too much carbon dioxide in the atmosphere. Technologies that pull carbon dioxide directly from the air could help reverse some of the damage.
  3. new industryInvestment now can lower costs in the future, just as it did for solar power. Countries that lead in this technology could also export it and create new jobs.

反対（No）で話すなら

I don't think carbon capture is worth the huge investment, because the same money could cut far more emissions if it were spent on proven solutions.

  1. high costCapturing and storing carbon dioxide is still very expensive and uses a lot of energy. Spending the same money on renewable energy or home insulation would reduce emissions more quickly.
  2. excuse to delayCarbon capture can give fossil fuel companies an excuse to keep producing oil and gas. Some critics say it allows them to look green without changing their business.
  3. uncertain storageCarbon dioxide must be stored safely underground for centuries. There are still questions about whether it might leak and about who will be responsible in the future.

想定質疑面接委員はこう突っ込んでくる

QIsn't it better to spend that money on renewable energy?

Renewable energy should certainly be the top priority. However, renewables cannot solve everything, especially in industries like cement and steel. So I think a smaller but steady investment in carbon capture is still worth making alongside renewables.

Q：そのお金は再生可能エネルギーに使った方がよいのでは。
A：確かに再生可能エネルギーを最優先すべきです。しかし、特にセメントや鉄鋼のような産業では、再生可能エネルギーだけでは解決できません。ですから、再生可能エネルギーと並行して、規模は小さくても着実に回収技術へ投資する価値はあると思います。

QShould private companies or governments pay for it?

I think both should share the cost. Governments can fund early research, because private companies may not want to take such a big risk. Once the technology becomes cheaper, companies that emit carbon should pay to use it.

Q：その費用は民間企業と政府、どちらが払うべきですか。
A：両者で分担すべきだと思います。民間企業はそれほど大きなリスクを取りたがらないかもしれないので、初期の研究は政府が支えればよいでしょう。技術が安くなったら、炭素を排出する企業がお金を払って使うべきです。

QAre you worried that stored carbon dioxide could leak?

Yes, that's a legitimate concern. However, storage sites can be carefully selected and monitored over time. As long as strict safety rules are in place, I believe the benefits outweigh the risks.

Q：貯留した二酸化炭素が漏れる心配はありませんか。
A：はい、それはもっともな懸念です。しかし、貯留する場所は慎重に選び、長期にわたって監視することができます。厳しい安全ルールがある限り、利点の方がリスクを上回ると考えます。

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