But things took a turn for the worse with several high profile murders of environmentalists in 2012. (news.mongabay.com)
While these chemicals have been used for a very long time and are generally considered safe for our dogs, they are widely criticized by environmentalists for their potential impact on the environment. (wileypup.com)
Below are just a few of the many environmentalists who have laid the groundwork for a more sustainable world. (nwei.org)