EarthGeoengineering the sky is scary but we need to test it now The world's biggest trial of cooling the planet by altering the atmosphere is being launched. It is crucial that it goes ahead, says Jamais Cascio Comment
EarthPlankton can save the ocean. But who will save the plankton? It's not just warming oceans we need to worry about. Crucial plankton have been discovered behaving strangely, but they may point the way to better geoengineering Insight