Footprints You Leave on the Beach Contain Your DNA. That story and more on H2O Radio’s weekly news report about water.

Headlines:

There is nearly a 100-percent chance that at least one of the next five years will be the warmest ever recorded.

More than half of the world’s largest lakes have shrunk over the past three decades.

“Human genetic bycatch” is setting off alarm bells.

A house made from diapers can help fight climate change.