An expert group of 270 climate scientists warns the dire impacts of climate change soon will be irreversible unless governments act decisively to tackle these imminent global threats. Hoesung Lee, chairman of the Intergovernmental Panel on Climate Change, does not mince words. He said the stakes of our planet have never been higher. “Human activities have warmed the planet at a rate not seen in at least the past 2,000 years. We are on course to reaching global warming of 1.5 degrees Celsius within the next two decades and temperatures will continue to rise unless the world takes much bolder action,” said Lee. He said the action governments take today will shape how people will be able to adapt to climate change and how nature will respond to increasing climate risks. Debra Roberts is co-chair of the IPCC Working Group II, which produced the report. She said the scientific evidence …