Feeding humanity without wrecking the climate will take engineered food, and squeamishness about technology in food is the thing to get over.

What these subjects mean

climate change Warming and what would actually move it: emissions, carbon, and the difference between a gesture and a lever.

sustainability Whether human wellbeing and environmental impact still have to trade off against each other.

What Michael Grunwald actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.