It was a sad day for Nadin Morales. "We're going to leave behind the homes we've known all our lives," she said. "But the sea is sinking the island little by little."

The family was one of 300 living on the tiny CaribbeanThe region made up of the Caribbean Sea and its islands, including the West Indies. island of Gardi Sugdub. But rising sea levels have been a growing problem. Now, many are evacuatingLeaving somewhere that is dangerous and going to a safe place. to PanamaA Latin American country that links Central America and South America. It has a population of 4.4 million. 's mainland.

Every year, particularly with the strong winds of November and December, flooding affects the streets and houses. Using rocks and coral to stop the flooding has failed.

New homes have been built for the islanders on the mainland. These are a 30-minute walk from the coast.

The move, says local teacher Evelio Lopez, is a great challenge: "More than 200 years of our culture is from the sea, so leaving this island means a lot of things."

PanamaA Latin American country that links Central America and South America. It has a population of 4.4 million. 's governmentThe group of people who govern - or lead - the country. believes that 62 other communities will have to move in the future. The cost will be almost £1bn.

Around the world, the damage caused by rising sea levels could cost over £4 trillion. More than 200 million people could need to leave their homes.

Islands in the Indian and Pacific oceans are in danger. But countries from the Netherlands to New Zealand are also having to find answers to the threat. Some are experimenting with floating homes.

Can we adaptChange to fit a new situation. to climate changeLong-term shifts in temperatures and weather patterns. Human action is a major cause of climate change.?

Yes! Humans have been so successful because we are good at adapting to change. Scientists will come up with clever ways to stop the problems of extremeVery great, or beyond what is expected. weather.

No! It is happening too fast. Sea levels have risen by about 10cm since 1993 and the rise is getting faster. Even if people can move, it is not good to lose villages to the sea.