Magdalena river pollution

Colombian environmental defender wins Goldman Prize for helping halt hydraulic fracturing along the country’s largest river Magdalena

Colombian environmental defender wins Goldman Prize for helping halt hydraulic fracturing along the country’s largest river Magdalena

22 Apr 2026

3 min read

From the dirtiest to the cleanest: Mexico City’s journey

From the dirtiest to the cleanest: Mexico City’s journey

08 Mar 2013

5 min read

image-fallback

Radioactive nickel

15 Feb 2000

1 min read