Back to Show
PBS News Hour
Why fewer monarch butterflies are surviving their migrations
Monarch butterflies migrate to warmer regions each winter, but in recent years Mexico has seen far fewer monarch arrivals. Environmental changes have eliminated the butterflies' sources of food and shelter along the way. Independent video journalist Ross Velton reports on efforts to help monarchs survive their journey south.
Support Provided By

57:46
October 2, 2025 - PBS News Hour full episode

57:46
October 1, 2025 - PBS News Hour full episode

57:46
September 30, 2025 - PBS News Hour full episode

57:46
September 29, 2025 - PBS News Hour full episode

26:45
September 28, 2025 - PBS News Weekend full episode

26:45
September 27, 2025 - PBS News Weekend full episode

57:46
September 26, 2025 - PBS News Hour full episode

57:46
September 25, 2025 - PBS News Hour full episode

56:45
September 24, 2025 - PBS News Hour full episode

56:50
September 23, 2025 - PBS News Hour full episode

57:46
September 22, 2025 - PBS News Hour full episode

26:45
September 21, 2025 - PBS News Weekend full episode