Will today’s children have space to live? Brazil is the latest country to suffer a huge heatwave. Experts warn that some parts of the world will become too hot for humans to live in.
Red alert as Brazil suffers unbearable heat
Hellish hotspot: Parts of Brazil have been just 2C cooler than the Sahara desert. Glossary
Rio de Janeiro - A seaside city in Brazil with a population of 6.7 million.
Brazil - The largest country in South America, home to 217 million people.
Expert - Someone who knows a lot about a particular subject.
Cyclones - A rapidly spinning storm that forms over tropical oceans.