Will this affect all of us? A new research paper suggests that European temperatures could plunge in the next few years. We might all be to blame. But perhaps not everyone will suffer.
Gulf Stream ‘collapsing’ studies show
Upward shift: Parts of Earth's jet streams are shifting polewards — most likely as a response to global warming exacerbated by greenhouse gas emissions. Glossary
Colosseum - A vast stadium built by the Roman emperors Vespasian and Titus. It could seat between 50,000 and 80,000 spectators. It was used to hold gladiatorial contests and even mock sea battles.
Ice age - A long period of time in which global temperatures are extremely cold.
Saline - A solution of salt in water, or salty water (such as seawater).
UN - United Nations. An intergovernmental organisation based in New York that aims to maintain international peace and security.