Australia is under increasing global pressure to adopt a target of net zero emissions by 2050, with the Fijian prime minister labelling the goal a matter of life or death.
Frank Bainimarama is an outspoken advocate for climate action and says while the coronavirus pandemic has crippled economies, climate change is more devastating.
"Any later than 1st January 2050 will be too late to achieve net zero emissions," he told a Smart Energy Council forum on Wednesday.
"These aren't aimless targets, they are life or death deadlines backed by science.
"This isn't about focusing on words over deeds, quite the contrary. Clearly-stated plans and meaningful actions aren't mutually exclusive."
Prime Minister Scott Morrison has rejected calls to adopt a net zero emissions goal by 2050, instead pushing the target into the second half of the century.
Mr Morrison has said he is "more focused on the doing".
Mr Bainimarama also urged countries to use the coronavirus recovery to transition to clean energy, saying its far-reaching benefits will span generations.
He praised Jacinda Ardern for pledging to reach 100 per cent renewable energy by 2030.
"Our neighbours in New Zealand get it," Mr Bainamarama said.
The Business Council of Australia is also urging the Morrison government to adopt the 2050 target.
Labor has committed to net zero by 2050 but doesn't have an interim goal.
The party's energy spokesman Mark Butler concedes Labor has a lot of work to do to develop its suite of policies for the next election.
"I certainly see my job as continuing to articulate as often as I can, as loudly as I can, Australia's opportunity and responsibility, frankly, to be a renewable energy superpower."
China recently committed to net zero emissions by 2060, which former prime minister Malcolm Turnbull believes will spur more investment in renewable projects.
He criticised the government's gas-fired recovery plan, saying the $4 per gigajoule goal was unrealistic.
"There are people who are trying to persuade the government to literally spend billions and billions of dollars to pay for infrastructure to in effect subsidise gas," Mr Turnbull said.
"And that is what is bonkers. Because it's a transitional fuel and we run the real risk that you'll be funding what will become inevitably stranded assets."
Mr Turnbull says the government must focus on regional areas that rely on coal generators, which will inevitably close.
Meanwhile, a stocktake commissioned by the Australian Conservation Foundation shows there were more than 27,000 full-time jobs in renewable energy and 58,000 jobs in energy efficiency last year.
While clean energy makes up just a fifth of electricity supply, it has more jobs compared to electricity generation by coal (12,167) or gas and oil (22,003).