This TED Talk features environmental activist Hindu Amaru Ibrahim, recorded live at TED Women 2019.

I guess all of you have any smartphone or an iPhone.

And this morning, probably you check on the weather.

If it's going to be rainy to carry your umbrella,

it's going to be sunny to use your sunglasses, or it's going to be called to have an extra

cord. It can give you some time good information and sometime not. Let me tell you, my best up is my grandmother.

She's called it Mama Adda.

She can tell you not only today, Wada,

but she can predict the next 12 months it's going to be a good

rain season or not.

She can tell you just by observing her environment, by observing the wind direction, the cloud

position, the birth migration, the size of fruits, the plant flowers.

She can tell you by observing the behavior of her own cattle.

That's how she knows better the weather and the ecosystem where she lives on it.

I'm coming from a pastoralist community who are a cattle helpers.

We are nomadic.

We move from one place to another one to found water in pasture.

We can move up to 1,000 kilometers a size of California within one year.

And this life helps us to live in harmony with our ecosystem.

We understand each other.

For us, the nature is our supermarket, where we can collect our food,

our water, is our pharmacy, where we can collect our medicinal plant, but it's our school

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