Seriously. Does this mean the beginning of an ice age?
They lie. They need a problem to scare people into going along with their schemes, which nearly always have some hidden motive - money and power being the two most likely.
In the 1970s there was that exact question on the cover of time magazine. Well, it wasn’t true then, and I doubt that it is true now.
However, we are most likely going to go through about 30 years of colder weather similar to the Dalton Minimum or possibly colder. Expect crop failures, and famines. They are already having food riots in Sudan. Last year there was a shortage of veggies in Europe, because of too cool temps in Spain.