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How the ocean's 'twilight zone' impacts climate change

By Emily Kwong

Published July 27, 2025 at 8:13 AM EDT

The oceanic "twilight zone" lies deep, and teems with life. We look at how this mysterious zone affects climate change.

Emily Kwong

Emily Kwong (she/her) is the reporter for NPR's daily science podcast, Short Wave. The podcast explores new discoveries, everyday mysteries and the science behind the headlines — all in about 10 minutes, Monday through Friday.

See stories by Emily Kwong

Stories From This Author

This week in science: ocean spiders, baby planets and the odds of having a boy or a girl

Rachel Carlson

The Short Wave team talks about spider origins, why the odds of having a girl or a boy aren't 50-50, and what the Orion constellation reveals about the life cycles of stars.
NPR's Short Wave explores how climate change is shifting ocean currents in new series

Emily Kwong

In this first glimpse of the "Sea Camp" series from NPR's Short Wave podcast, hear how climate change will significantly shift three-quarters of the ocean's surface currents by the end of the century.
This week in science: a comet, plastic-eating bugs, and how altitude changes smell

Emily Kwong

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.