It is scary that these events are on the increase and that nearly twenty percent of them are caused by human activity. These events send us a warning about the state of the environment. We must take heed of this warning and prevent further contamination of the environment if we are to avert increases in such events.
New research reveals that over the past 70 years animal mass die-offs have been increasing among birds, fish and marine invertebrates. Researchers are now speculating whether this might be another effect of global environmental changes.