Slang Definition. Words that are not a part of standard vocabulary or language and are used informally are called slang. These words are mostly used in speech rather than in writing.
Wildlife is already being affected by global warming. You have to observe the basic trends of global warming. Deforestation is one of the biggest contributor to global warming and also affects wildlife as it leads to habitat destruction.
Evolution. Global warming is causing some fauna and flora to evolve in response. For example, squirrels in the United States are developing different breeding schedules in response to global warming. Sheep are shrinking in Scotland because they do not have to eat as much to survive during the shorter winters.