Algae Biofuel Isn’t the Holy Grail We Expected
New research using real-world data casts doubt on the energy efficiency of diesel alternatives that come from phytoplankton.
oceans
Deep-Sea Mining’s Dirty Dilemma
Mining promises to kick up a bunch of seafloor-smothering sediment. The question is: how much?
Tidal Power’s Fickle Future
To pull power from the waves, you need a high tidal range or strong currents. Sea level rise threatens to mess with both.
Banking on the Seaweed Rush
Seaweed farmers promise to feed us, combat climate change, support coastal communities, provide wildlife habitat, and more. Can seaweed do it all?
Jet-Propelled Tunicates Pump Carbon Through the Oceans
New research reveals that blooms of the widespread gelatinous zooplankton—along with their feces, daily vertical migrations, and carcasses—increase marine carbon export.
Device Made for the Moon May Aid in Carbon Sequestration on Earth
A pocket-sized device intended for use on the Moon could soon play a key role in Japan’s ambitious plans to sequester carbon dioxide.
To Fight the Climate Crisis, We Have to Listen to Nature
Bioacoustics is shaping the future of conservation, but what is the cross-disciplinary science? A climate columnist explains.
Once Extreme Ocean Temperatures Are the New Normal
A new analysis finds extreme warming events in the ocean have increased relative to the very far past, with nearly 60% of the ocean experiencing extreme heat in 2019.
