Many people think of sunburn and associated health risks when they hear about the ozone hole. However, ozone related changes to Southern Hemisphere climate are likely to have had as much or more impact on natural ecosystems and food production over the past few decades, as the increased ultraviolet (UV) radiation.
You can read all about it in my research pages, with links to the original article in GCB, a republished version of an overview article on "The Conversation" website and a video overview of the paper.
Article and Links on my website
Article on The Conversation Website
The paper in Global Change Biology.
Video presentation (Flash or HTML5)