Kate Yoder

Kate Yoder is the news editor at Grist.

A sign tells passersby to "Go Green This Winter."

The Unintended Consequences of Green ‘Nudges’

When participants in a study had the option of approving a behavioral “nudge” to clean energy use, their support for a carbon tax dropped.

A large crowd packs Independence Mall, with Philadelphia buildings in the background.

What Happened to Earth Day?

In the beginning, it was a policy-shaking event that awakened a new generation of activists. But now even environmentalists have misgivings about it.