In her 1962 book "Silent Spring" Rachel Carson described some of the early warning signs that DDT and other pesticides were harming the environment. A vivid example occured at a vacation spot called
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/dangerous-indifference-global-warming
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change