As a 4th year geography student I have read into covered observational trends in a fair bit for my course at the University of Bristol. (climateaudit.org)
It's not rocket science although as usual the biases introduced by mans assumptions are often harder to model than simple observational trends, they just create noise around definite natural trends. (paulmacrae.com)
The simulations also produce an average increase of 2.0 °C in twenty - first century global temperature, demonstrating that recent observational trends are not sufficient to discount predictions of substantial climate change and its significant and widespread impacts. (rogerpielkejr.blogspot.ru)