Tropical Streams Reveal Climate Change Insights
It was still dark out at 5 a.m. when Marcelo Ardn started walking through the rainforest in Costa Rica to sample carbon dioxide -- a greenhouse gas -- from a stream. When he reache…
It was still dark out at 5 a.m. when Marcelo Ardn started walking through the rainforest in Costa Rica to sample carbon dioxide -- a greenhouse gas -- from a stream. When he reache…