A look at the challenges for those fighting to save the vital ecosystems of the oceans off Costa Rica.
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With voters set to choose a new president, the families of the disappeared reflect on the legacy of Lopez Obrador.
The city faces ‘Day Zero’ as aquifers drain and pipes break. Meanwhile, costly workarounds don’t fix the real problem.
Rescue brings rare good news to southern Brazil, devastated by worst flooding in 80 years that has killed more than 100.