Brazil building Amazon tower to monitor climate change
Construction has begun on a giant observation tower in the heart of the Amazon basin to monitor climate change.
The Amazon Tall Tower Observatory is expected to rise 325 metres from the ground.
Its instruments will gather data on greenhouse gases, aerosol particles and the weather in one of the largest continuous rain forests on the planet.
Brazilian and German scientists hope to use the data to better understand sources of greenhouse gases and answer questions on climate change.
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