Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug-of-War”
The Southern Hemisphere jet stream is shifting, bringing more rain to some spots and less to others
Stories by Chelsea Harvey
Antarctic Glacier Has Retreated 3 Miles in 22 Years
Sitting atop a deep canyon, Denman Glacier could be a weak point in the Antarctic Ice Sheet
In Just 10 Years, Warming Has Increased the Odds of Disasters
The likelihood of extreme events today is being underestimated, new research suggests
Packing the Tundra with Animals Could Slow Arctic Melt
Herds of reindeer or other species could help pack down snows to protect permafrost
How the Coronavirus Pandemic Is Affecting CO2 Emissions
Curtailed travel could temporarily lower emissions, but increased home energy use might offset that
What Could Warming Mean for Pathogens like Coronavirus?
Scientists expect to see changes in the timing, location and severity of disease outbreaks as global temperatures rise
The Ocean’s Swirling Currents Are Migrating Poleward
The shift, which may be linked to climate change, can affect sea levels and the distribution of heat and nutrients
Abnormally Warm Years Caused a Sea Change in Coastal Alaska Ecosystems
While the changes are not yet permanent, they provide a glimpse into a possible future
Methane Emissions from Oil and Gas May Be Significantly Underestimated
Estimates of methane coming from natural sources have been too high, shifting the burden to human activities
Twin Dangers of Scorching Days and Sweltering Nights Are on the Rise
The combination of day and night extreme heat will only get more frequent—and hotter—in the future
Rising Temperatures Are Partly to Blame in Bumblebees’ Decline
The combination of climate change, habitat loss and pesticide use is leading to local extinctions of bee species
Ocean Currents Are Speeding Up, Driven by Faster Winds
Climate change may in part be spurring the acceleration, which could change how heat and nutrients are pushed around the oceans
The Worst Climate Scenarios May No Longer Be the Most Likely
Some climate scientists argue using such scenarios could make climate targets sound less achievable than they are
Closing the Ozone Hole Helped Slow Arctic Warming
Ozone-eating chemicals are also potent greenhouse gases, accounting for up to half of the Arctic’s temperature rise
To Conserve Marine Species, Make Protected Areas Mobile
Because climate change is shifting ocean ecosystems, sanctuaries need to shift with them, experts argue
Wildfires Could Transform Amazon from Carbon Sink to Source
Rising temperatures and increased deforestation increase the risks for CO2-emitting fires
Frozen in Dwindling Ice, a Historic Expedition Finds a “New Arctic”
Over the first leg of the trip, scientists say they are already learning how much humans have altered the polar region
These Are the Biggest Climate Questions for the New Decade
The 2010s brought major climate science advances, but researchers still want to pin down estimates of Arctic melt and sea-level rise
A Russian Ice Cap Is Collapsing--It Could Be a Warning
A surge in glacial ice flow that created an “ice stream” is a concern for Greenland and Antarctica as well
Millions of Birds Are Migrating Earlier Because of Warming
Weather radar data shows that many North American species are shifting their spring migration by two days each decade
