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• Free to watch and share. The films, guides and texts on this site are free for personal, educational and non-commercial use. You may share and embed them, and show them in classrooms and at public events, with credit to Earth2050.com. Commercial use, editing or re-voicing a film, or offering the guides for sale needs our written permission: info@earth2050.com.
• Our best knowledge, not advice. We check our facts with scientists and name our sources, but science moves on and we may make mistakes. The site is provided "as is", and we are not liable for decisions taken on the strength of it, as far as the law allows.
• Other people's sites. Links and references lead to sites we do not control and do not endorse.
• Videos. Films play through YouTube; YouTube's terms apply to the player.
• Law. These terms are governed by the law of England and Wales.
• Language. If a translation of these terms differs from the English, the English version applies.

Last updated: 16 October 2026.