A retrospect on global warming

I remember reading about global warming (I guess know it more as climate change nowadays?) in an encyclopedia that my grandparents bought for me when I was little. Although I don&rsquo;t know the implications at the time because 1. english isn&rsquo;t my first language and 2. it was done with cartoon drawings. I&rsquo;ve heard over the years of people chalking it up to something that we…