New Colour Purple Depicts Worsening Climate Risks in U.N. Draft Report

Some parts of nature and human society are more vulnerable than expected to climate change, according to a draft of a U.N. report that adds a new purple colour to a key diagram to show worsening risks beyond the red used so far.
Unexpected Interaction Between Ocean Currents and Bacteria

For the first time, researchers have successfully demonstrated an interaction between ocean currents and bacteria: The unexpected interaction leads to the production of vast amounts of nitrogen gas in the Pacific Ocean.