By Ilissa Ocko A new climate report is out and it is the most dire yet. The report is the first installment of the latest climate change assessment by the United Nation’s Intergovernmental Panel on Climate Change. It focuses on the physical science of climate change, and reports on the current state of the climate, possible climate futures, risk assessment and limiting future climate change. Two other reports due out next year will assess impacts to society and ecosystems and strategies to adapt to and mitigate further changes. Written by more than 200 of the world’s leading climate scientists, the report synthesizes the best available climate science information from more than 14,000 studies. Below are my top five takeaways from this latest report. 1. Many changes to our planet are accelerating, unprecedented and irreversible Climate change is affecting every inhabited region across the globe, and some of the impacts are accelerating.…