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While there is more than enough food produced to feed the world’s population, hunger and food insecurity persist.

Across Britain, ponds are quietly vanishing. Pouring over historic maps from the 1900s to trace old pond sites, I was struck by how many once dotted the landscape. Today, more than half have disappeared, a loss that threatens wildlife and our ability to cope with a changing climate.

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As generative artificial intelligence (AI) tools like ChatGPT, Google Gemini and others reshape the digital landscape, much of the conversation in Canada has focused on commercial innovation.

This roundup of The Conversation’s climate coverage was first published in our award-winning weekly climate action newsletter, Imagine.

In the late 19th century, Stuttgart was booming. The southern German city was famously the cradle of an emerging automobile sector and had already established itself as an industrial powerhouse and centre for toolmaking, mechanical engineering and textiles. Rail connections in the Baden-Württemberg region accelerated development, transported workers and spread…

At the UN climate conference Cop30 in Belém, Brazil, I asked some young climate activists and negotiators about their hopes, expectations and demands. Despite their positivity and the push for action from climate movements, Indigenous people and civil society, a lack of consensus on key issues was palpable.

When Cop30 convened in Belém, deep inside the Amazon, the world’s attention turned once again to negotiations, emissions pledges and political manoeuvring. The global stage was set against one of Earth’s most biodiverse landscapes and some of its most vulnerable communities, yet the conversation still leaned heavily toward geopolitics rather…

The next global volcanic disaster is more likely to come from volcanoes that appear dormant and are barely monitored than from the likes of famous volcanoes such as Etna in Sicily or Yellowstone in the US.