How whales struggle to navigate in a sea of noise pollution

In 1490, Leonardo da Vinci wrote, "If you cause your ship to stop and place the head of a long tube in the water and place the outer extremity to your ear, you will hear ships at a great distance from you."

Rethinking boundaries in a warming world

These days, migration is always in the news. Around the world, people are displaced by war, political oppression, poverty and violence; every day, families risk their lives in search of better environments.

US must act to protect climate migrants, government report says

National security officials warn that worsening heat waves, droughts and other climate-fueled hazards are likely to drive a surge in global migration in the coming decades, increasing political instability among the United ...

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