Welcome to Learning English, a daily 30-minute program from the Voice of America.

I'm Katie Weaver.

And I'm Mario Ritter Jr. This program is designed for English learners, so we speak a little slower and we use words

and phrases especially written for people learning English.

Coming up on the show, Brian Lynn brings us the Science and Technology Report.

He tells about some of the products featured at CES, the Consumer Electronics Show in Las Vegas, Nevada.

We also hear stories from Andrew Smith and John Russell.

We close the show with The Lesson of the Day.

Now here's Andrew Smith.

Greenland is the world's largest island and a self-governed territory of Denmark.

About 57,000 people live there, mainly along its coasts.

Most of Greenland lies north of the Arctic Circle under thick sheets of ice.

The island plays a large part in the weather experienced by billions of people every day and in climate changes around the planet, experts say.

American President-elect Donald Trump is expressing interest in buying Greenland from Denmark.

He said something similar during his first term in office as well.

The United States has a large military base on the island.

Geologists say Greenland has huge amounts of oil and natural gas below the ice and valuable elements known as rare earth minerals

rare earth minerals are needed in communication technologies including phones most of these resources are trapped under Greenland's ice. However,

warming temperatures in recent years have increased melting on the island. As more ice melts,

some of these resources may become easier to reach.

Jeff DeBalco is a security and environment professor at Ohio University.

He thinks other countries are becoming interested in Greenland because China is currently the supplier of more

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