• Research Fellow, School of Biological, Earth and Environmental Sciences., UNSW
AAP Image/Dan Peled

Megadroughts helped topple ancient empires. We’ve found their traces in Australia’s past, and expect more to come

New research shows Australia experienced a number of megadroughts in the last 1,000 years, We may be underestimating the severity of drought in Australia’s future.
Melting Antarctic ice can trigger effects on the other side of the globe. NASA/Jane Peterson

How Antarctic ice melt can be a tipping point for the whole planet’s climate

The climate secrets contained in an ancient tree that lived through abrupt global change reveal how Antarctica can trigger rapid warming in the north by dumping cold water into the Southern Ocean.

Contact Jonathan for

  • General
  • Consulting / Advising
  • Research collaboration
  • Research supervision