On today's show we look at how delicate desert ecosystems are affected by climate change. Then the impact of toxic metals on Rocky Mountain streams.

SHOW CLOCK

00:00 Opening Credits

00:33 Introduction

01:10 Feature: Water Webs

09:10 Interview: Johanna Kraus

14:48 Closing Credits

CREDITS

Special thanks to Diane Hope and Jody Roberts for researching this show. Additional credits available at chemheritage.org/distillations.