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We see the effects of climate change everywhere.
But it's also a problem for musical instruments.
Traditional instrument makers in Switzerland are feeling nervous.
The wood for their instruments comes from the Risoud Forest, between France and Switzerland.
High up in the Jura mountains, some trees are ancient.
It's the perfect wood for making guitars, violins and other instruments.
But now, drier weather is a danger to the quality of the sound.
Francois Villard takes care of the forest.
The trees are special because of where and how they grow.
That's why they're so important in instrument making.
Theo Magnin picks out suitable trees.
300 trees are cut down locally, but only one or two will become musical instruments.
Magnin's worried climate change will reduce this number further.
The experts have tried using different types of wood.
But for one maker, Philippe Ramel, the material from the Risoud Forest provides the highest quality.
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