Now, NASA says global sea levels rose by more than expected last year.
The agency blamed an unusual amount of ocean warming.
You're probably more than familiar with news like this.
The world's biggest rainforest, the Amazon,
has lost an area the size of Germany and France combined.
I'm Caroline Steele, a science broadcaster and journalist.
And these headlines really worry me.
Every year the green and ice sheet loses 270 billion metric tons of ice.
It's hard to overstate quite how much we've changed our planet.
From flooded homes in Spain to forest fires in Australia.
From rising oceans in the Pacific to barren plains in East Africa.
So when my friend and producer Florian asked me the following question.
I just couldn't get it out of my head.
Is there anywhere left?
So yeah, the idea of this mad quest is to find a place.
Is there any place on earth that humans haven't affected?
A location that is just unchanged by us.
I think it needs to be an ecosystem.
I think there needs to be some life there that is still Pristine?
Somewhere that would be exactly the same if humans had never set foot on planet Earth.