Ari Shapiro

When Hurricane Michael struck the Panhandle of Florida last October, Keith and Susan Koppelman were huddled in the bathroom of their small, two-bedroom rental trailer just north of Panama City.

"When the winds came we both started praying," says Keith, 49. "I thought, 'Oh my God, this is a big storm.' "

After four hours, they finally emerged to survey the damage. The storm's 160-mile-per-hour winds had torn off the porch and peeled away the trailer's tin siding.

Our Planet is the kind of nature show where every image could be a screen saver: sweeping, dramatic landscapes are full of colorful animals.

Daviz Simango, mayor of Beira, Mozambique, thought that his coastal city was prepared for cyclones.

In 2012, the city built a new drainage system and wave barriers with $120 million from the World Bank. The idea was to help Beira withstand the rising seas and increased storms that experts predict will accompany global climate change.

Then Cyclone Idai hit.

In his State of the Union address this year, President Trump announced an initiative "to eliminate the HIV epidemic in the United States within 10 years."

The man who pitched the president on this idea is Alex Azar, the Secretary of the Department of Health and Human Services.

One young woman is walking to find work so she can send money back to Venezuela for a nephew who has leukemia.

Another is traveling with four of her five kids, in search of food for her family.

As another family hikes along, the husband walks ahead to hide his tears from his children.

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