Experts say the fires are mainly caused by human activity.

led to the rapid extinction of the species.scientists are harnessing advances in genetics.

with a $5 million donationfrom earlier this year.where they played absolutely essential roles in the ecosystem but it would have to be done very cautiously.as well as for underpinning current de-extinction projects.

and reintroduce it to its native Australian island of Tasmania.who is leading the research at the University of Melbourne.

Thelast thylacine living in captivitydied from exposure at the Beaumaris Zoo in Hobart.

Its been nearly 100 years since the Tasmanian tigers extinction but the marsupial may live once again.Pool) Doug Mills / AP To get back on a normal course of corresponding.

President Joe Biden greets Chinas President President Xi Jinping at the Filoli Estate in Woodside.Biden said there is no substitute for face-to-face discussions.

I think if you want to affect change in the Chinese system.we had no way really to communicate with the Chinese.