The fabricated 31-second clip shows Ocasio-Cortez suggesting, “Maybe we can study the effects of global warming from the main source of all the heat in our solar system – the sun.” ...

In the altered clip, Ocasio-Cortez sits behind a round glass desk calling for a study into the effects of climate change by focusing on “the main source of all heat in our solar system, the Sun”.

It looks like a post-impressionist painting by an artist such as Van Gogh - but it's actually a Nasa map of heat in our sun. The visualisation technique is one of the space agency's methods for ...