He thinks we have 500 days…..
check it out:

French Foreign Minister Laurent Fabius, gearing up to host a major U.N. climate conference at the end of next year, wants to start referring to “climate disruption” or “climate chaos” rather than “climate change” – since, he says, “change” can be seen as a positive thing.

Fabius, who during a visit to Washington last week declared that the world has “500 days to avoid climate chaos,” repeated this message back in Paris on his return.