Learn languages naturally with fresh, real content!

Popular Topics
Explore By Region
Arctic rivers turn orange from thawing permafrost, driven by record-warm, wet 2025 conditions.
Hundreds of Arctic rivers in northern Alaska are turning bright orange due to thawing permafrost releasing iron and other metals, a phenomenon scientists call "rusting rivers," first observed around 2018.
The 2025 Arctic Report Card, released by NOAA, confirms 2025 was the warmest and wettest year on record in the Arctic, which is warming more than twice the global average.
This rapid warming has accelerated ice loss, with Greenland shedding 129 billion tons of ice and Alaskan glaciers thinning significantly since the 1950s.
While no drinking water contamination has been confirmed, scientists warn heavy metals could harm aquatic ecosystems.
Despite political pressures on federal climate science, the report was produced independently by a global network of scientists, underscoring the need for sustained monitoring.
Los ríos del Ártico se vuelven naranjas por el deshielo del permafrost, impulsado por condiciones récord de calor y humedad en 2025.