‘Politicians actually taking action’: six world mayors defying climate-sceptic populist leaders

From Sierra Leone to Milan, cities are crafting their own rules and innovations in the face of rising temperatures

The Guardian
How memories of clean water, frogs and fresh air could help save Rio’s favelas from future climate disaster

A new exhibition in the Brazilian city looks at how water, the environment and extreme weather is interwoven with personal stories from 10 marginalised communities

The Guardian