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Claudia Vega

πŸ‘€ Speaker
See mentions of this person in podcasts
349 total appearances

Appearances Over Time

Podcast Appearances

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

Since I was little, I always loved nature.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

I always loved the feeling of being in a forest.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

For me, the forest is more valuable than gold.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

My name is Claudia Vega, and I work in the Peruvian Amazon.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

I'm studying mercury contamination due to artisanal gold mining in Madre de Dios.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

I think people are not aware that sometimes the gold that you buy maybe is poisoning the rainforest in the Amazon or other tropical areas.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

About 20% of the gold producers in the world come from artisanal gold mining.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

It's not that small.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

And when you say artisanal, it's not because it's natural.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

It's called artisanal because they don't use fancy equipment.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

They have a very, like, rustic way.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

People have been doing that since the gold rush in California.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

They were using mercury.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

So the technique hasn't advanced that much since then.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

Mercury is used because it's an easy way to extract the gold.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

So what the miners do is the gold is like a sandy, in a sandy form, and it's usually in the sediment of the rivers.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

They put mercury.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

The mercury binds with gold.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

Then they have the amalgam, which is a mix of gold and mercury, and then they burn the amalgam, and then the mercury just evaporates to the air, and they got the gold.

TED Talks Daily
The hidden cost of buying gold | Claudia Vega

When they're doing the mixing with gold, some of the mercury goes into the river.

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