Jorgen Randers: A forecast to 2052.
2052: A global forecast for the next forty years
"So, in sum I don’t expect a global collapse within the next 40 years. The world will continue, more or less, its sad ways, building towards a climate crisis – which will not, however, reach full bloom until the second half of the 21st century."
2052 Website
"He co-authored The Limits to Growth in 1972 and its sequels in 1992 and 2004. In 2012 he published 2052 – A Global Forecast for the Next Forty Years, which is now available in 8 languages in more than 100.000 copies."