Various nutrient sources in the upper waters of oceanic subtropical gyres, which are the Earth’s largest oligotrophic ecosystems, play a crucial role in governing the sequestration of atmospheric CO2.
Climate Change
Atlantic Hurricanes Are Intensifying Faster
Warmer waters and other factors are allowing Atlantic hurricanes to grow stronger faster.
To Meet Climate Goals, Protect the Tongass and Chugach Forests
The two largest U.S. national forests, both in Alaska, have low wildfire risk and provide crucial forest carbon stocks and biodiversity benefits.
Current Efforts Not Enough to Keep Warming Under 1.5°C
A canyon between current efforts and necessary action means global temperatures are on track to rise far beyond Paris Agreement goals.
A Not-So-Hoppy Future for Beer Drinkers?
New research examining the impact of climate change on hops production has brewed up a storm.
Climate Change Narrows the Window for Prescribed Fires
Longer, drier summers may mean fewer opportunities for firefighters to safely burn would-be wildfire fuel in the western United States.
A Crystal Ball for the Carbon Cycle, But a Cloudy One
Carbon cycle models quantify relationships between emission scenarios and resulting atmospheric concentrations, but are the projections credible? New analyses find grounds for both hope and concern.
Deep Emissions Cuts Still Needed to Prevent the Worst Climate Change Impacts
A new federal report says the effects of human-caused climate change are worsening in every region of the United States, but the technology to address it exists.
Climate Tipping Points Could Be Triggered by “Committed Warming”
Unless we rapidly reach net zero emissions, the climate will inch closer to a point of no return—even after greenhouse gas emissions are reduced.