27 August 2015
Researchers in Brazil have finished constructing a 325-metre high tower that will analyse the Amazon rainforest's gas emissions, to help understand climate change.
The €8.4m Amazonian Tall Tower Observatory (ATTO) is taller than the Eiffel Tower and will start collecting data on heat, water, cloud formation, carbon absorption and weather patterns over the rainforest later this year. It will link up with two smaller towers to collect data for 20 to 30 years.
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