1. Climate is Always Changing. Why is Climate Change of Concern Now?https://royalsociety.org/topics-policy/projects/climate-change-evidence-causes/question-6/
2. Hope Is an Imperative: The Essential David Orr;Orr,2011
3. Assessing “Dangerous Climate Change”: Required Reduction of Carbon Emissions to Protect Young People, Future Generations and Nature
4. The world has just over a decade to get climate change under control, U.N. scientists sayhttps://www.washingtonpost.com/energy-environment/2018/10/08/world-has-only-years-get-climate-change-under-control-un-scientists-say/?noredirect=on&utmterm=.d6c954fe4707
5. The Roads to Decoupling: 21 Countries Are Reducing Carbon Emissions While Growing GDPhttps://www.wri.org/blog/2016/04/roads-decoupling-21-countries-are-reducing-carbon-emissions-while-growing-gdp