migration

What the warming Arctic means for birds

The Arctic is one of the regions in the world where climate change is significant, yet severely understudied. We follow researchers in northern Alaska who are racing to understand how this changing environment is impacting the breeding and migration of Arctic birds.

Algae threatening Florida waterways

More than 600 manatees migrate to Florida’s Crystal River every winter, but over the last few decades unwanted algae has invaded this idyllic waterway. If left unchecked, the invasive species could threaten this beloved sea creature’s essential safe haven.