models versus reality

The Hurricane Outlook

The journalists are sure about the 2018 hurricane season. The scientists? Not so much.

I’m actually in Puerto Rico today for a conference on the situation here after Hurricane Maria. Since hurricanes are on my mind, I wondered what the forecast for this year looks like. As it turns out, the headlines give significantly different takes on what to expect. Here is a sample of news stories, all issued …

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5 Lessons from the Financial Meltdown for Environmental Policy

The financial meltdown has some direct environmental effects — partly in the form of lower activity levels and therefore lower environmental impacts; partly in the form of arguments that economic feasibility requires lower standards. But there are some other, more conceptual implications. Lesson One: Complex dynamic systems can deliver ugly surprises. The Dow dropped 50% …

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