What is the definition of "climate change"? What are some of the potential effects of climate change on the natural world? How do scientists know that human activities are a major cause of global warming - Paul Noel

https://www.quora.com/What-is-the-definition-of-climate-change-What-are-some-of-the-potential-effects-of-climate-change-on-the-natural-world-How-do-scientists-know-that-human-activities-are-a-major-cause-of-global-warming/answer/Paul-Noel-5