Experts fear for the Ice Continent's native species - and for the rest of the world.
Using water more efficiently in everything from daily life to agriculture and industry would help curb climate change - a potential benefit not widely recognised.
"Time is fast running out for us."
But reducing emissions leads to lower rates of coastal erosion.
Many polar bears might have nowhere left to live in just 15 years' time.
From July 2021, default providers will be banned from investing in fossil fuel companies.
Faafoi says investors have nothing to worry about, with plenty of environment friendly options out there.
Its aim is to help them learn about climate change.
Fiji is facing climate change head-on with rising seas and more intense storms.