Goodall, who rose to fame as the worlds foremost primatologist, has become a beacon of environmental activism.

She recently went to Brazil, where she learned about the ecologically detrimental use of mercury in gold mining.

They destroyed miles of beautiful rivers.

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Jane Goodall

This led Goodall to her partnership withBrilliant Earth, the sustainable, ethically sourced jewelry brand.

Of course theyre quite right, too, she says.

We have really destroyed the planet.

UNSPECIFIED  Jane Goodall English primatologist ethologist and anthropologist with a chimpanzee in her arms c. 1995

Apic/Getty Images

And were getting to a point of no return, but we still have a window of time.

Why do you think Im rushing around the world?

Because if people lose hope, then you take no action.

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Jane Goodall

As for everyone feeling fatalistic?

you better get out of that mood!

A lot of people cant be bothered to vote.

They may not care about either candidates, but your vote counts, she says.

Vote for the person most likely to care about your future.

It will make a difference.

Goodall also comes baring suggestions for anybody who feels too small to make a difference.

I say, Well, what do you care about?

You find you make a difference.

That makes you feel good, so you want to do more.

And what fuels Jane Goodalls sense of hope?

The planet itself, for one.

Theres a resilience of nature.

Give her a good chance, and shell take over once again, she says.

The indomitable human spiritthe people who tackle the impossible and wont give up.