Five years after Covid-19 reached New Zealand shores, we are bracing for the arrival of another deadly virus: a strain of bird flu called H5N1. Follow Our Changing World on Apple, Spotify, iHeartRadio ...

Amidst an ongoing outbreak of a deadly bird flu virus in livestock, the US Department of Agriculture is doing more to prevent ...

Emperor penguin populations are falling much faster than expected. Ice is melting beneath their chicks before they’re ready.