Feb 13 (Reuters) - Telstra Corporation Ltd TLS.AX :
* TELSTRA CEO SAYS CLIMATE CHANGE THE DEFINING CHALLENGE OF 2020'S AND "BIGGEST SINGLE RISK WE FACE IS THINKING IT'S SOMEONE ELSE'S PROBLEM TO FIX"
Feb 13 (Reuters) - Telstra Corporation Ltd TLS.AX :
* TELSTRA CEO SAYS CLIMATE CHANGE THE DEFINING CHALLENGE OF 2020'S AND "BIGGEST SINGLE RISK WE FACE IS THINKING IT'S SOMEONE ELSE'S PROBLEM TO FIX"