“We are the first generation to feel the impact of climate change and the last generation that can do something about it.” Climate week is over, but climate change rolls on. What does global weirding mean for the global South? 3 ideas behind the news.

Cowboy at Paniolo Heritage Rodeo-Saturday, Mauna Loa, Hawaii.

So much has disappeared from the islands of my childhood. Will the paniolo be next?

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In Africa, ebola has already killed hundreds and sickened more than a thousand people so far this year — and the pandemic continues to spread into new countries. When did the current outbreak begin? Why can’t it be stopped? How much should you freak out? 3 ideas behind the week’s headlines.