Climbing high to measure greenhouse gas flux

For decades, the Amazon rainforest has quietly absorbed vast quantities of human-generated carbon dioxide, helping to slow the pace of climate change. Recent evidence, however, suggests that this vital natural buffer may be weakening – though uncertainties remain. To help close this critical knowledge gap, European and Brazilian researchers have gathered deep in the Amazon to carry out an ambitious European Space Agency-funded Carbon Amazon Rainforest Activity field campaign.

Read full story: ESA investigates high-stakes Amazon tipping point