![GettyImages-3109294-660x444](https://utterbuzz.com/wp-content/uploads/2019/02/GettyImages-3109294-660x444-640x431.jpg)
![Human-Induced Climate Change Has Been Going On Longer Than You Think](https://utterbuzz.com/wp-content/uploads/2019/02/GettyImages-3109294-660x444.jpg)
Signs of warming appear as early as 1830 say researchers, whose analysis will help build accurate baseline of temperature before influence of human activity. The post Human-Induced Climate Change Has Been Going On Longer Than You Think appeared first on WIRED.