Albert Rösti, from oil lobbyist to Swiss environment minister
Albert Rösti was, among other things, the main advocate for oil among his fellow MPs. But since January 1, he has become the head of climate issues in the Swiss Federal Council.
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### Instruction: Albert Rösti, from oil lobbyist to Swiss environment minister

### Response: Albert Rösti was, among other things, the main advocate for oil among his fellow MPs. But since January 1, he has become the head of climate issues in the Swiss Federal Council.