I read P Homewood’s post of the BBC article and would note that the BBC article’s headline reads, Could Victoria falls dry up? Reporting on that question is NOT fake news. Tying one geographical area to disclaiming that thousands of trusted scientist’s climate predictions are wrong is misleading. I would suggest research on the African areas (say the entire continent) around the falls to see what climate impact is on plant, animals and people. The big picture is far more important. May be the falls will survive but that does not disprove scientists predictions.
I would apply the old saying, “figures don’t lie but liars figure” to the graph presented. The scientists are predicting the future results based on their analysis of today. The past trends serve as a basis for our scientists to vet their predictions, which I am sure they do. They base their predictions on studies of build up of pollution and other impacts over the same time period.
I would note that Homewood pits a tourism pitch against, scientific study. I applaud the African tourism folks for advertising and defending their landmarks; but, would note should future help be needed, people will turn to scientists and engineers, and not writers that claim Fake news. (Venice comes to mind.)
One big geographical piece of evidence is the melting of glaciers worldwide, including those in Africa. Maybe the continued melting of glaciers will provide enough water for the Victoria falls. There you have it, I provided support for Mr Homewood.