see the 19 Australian ecosystems already collapsing
- Written by Dana M Bergstrom, Principal Research Scientist, University of Wollongong
ShutterstockIn 1992, 1,700 scientists warned that human beings and the natural world were “on a collision course”. Seventeen years later, scientists described planetary boundaries within which humans and other life could have a “safe space to operate”. These are environmental thresholds, such as the amount of carbon dioxide...





