COP presidencies tend to seek fresh agreements and ambitious initiatives, but when the celebrations are over, implementation often falls short. That is why Brazil’s COP30 presidency must eschew flashy ...

Jacinda Ardern, the former prime minister of New Zealand, on crisis leadership. Sign up for HBR Executive Agenda - for insights you need to steer your business now. Only available to HBR Executive ...

I attended Jacinda Ardern’s press conference when she stepped down as prime minister, and saw a leader who was composed to ...

OPINION: Far out, brussels sprouts. We’ve had an angry few weeks, haven’t we? Sir Ian Taylor wrote one letter to Stuff about Dame Jacinda Ardern two weeks ago and the whole country starts ...

At last month’s 62nd session of the United Nations Climate Change Subsidiary Bodies (SB62) in Bonn – the mid-year ...

High-profile prime ministers who leave office at a relatively young age have a lot to offer. Britain’s Tony Blair left office ...

Jacinda Ardern, who served as New Zealand’s Prime Minister from 2017 to 2023, has released her memoir titled “A Different ...

On Sunday the BBC managed the difficult task of getting the Environment Secretary, his shadow opposite, and the leaders of ...

Liberal Prime Minister Mark Carney has become the latest Canadian politician to boast that he’s going to fix things. He’s ...

Lobbyists for heated tobacco products identified the NZ First leader as "friendly". His party later delivered huge tax cuts ...