Aerosols could be weakening summertime circulation in the Northern Hemisphere
Over the past several decades, summer jet streams (or west to east wind flow) and weather systems in the Northern Hemisphere have weakened. Projections suggest the trend will continue, which could make extreme heat events more likely and affect air q.....»»
Three steps to talking to a loved one at risk of being radicalized into rioting
For some, the shocking scenes of violence which have erupted across dozens of locations in England and Northern Ireland will evoke an all-too-real concern—could someone close to me get involved in the violence?.....»»
Climate model biases in global monsoon: Insights from interhemispheric energy transport
Global monsoon is a critical component of the global atmospheric circulation system. Variations in summer precipitation over the global monsoon region have large impacts on freshwater resources, which support about two-thirds of the world's populatio.....»»
Early improvement of sandy habitat led to origin of agriculture in the farming-pastoral zone of northern China: Study
The beginning of agriculture is one of the most significant events in human history. The origin and spread of agriculture accelerated the development of human society and economy and fundamentally altered humans' role in the Earth's ecosystem. This a.....»»
Shipping emissions regulations enacted in 2020 improved air quality but accelerated warming, study finds
Last year marked Earth's warmest year on record. A new study finds that some of 2023's record warmth, nearly 20%, likely came as a result of reduced sulfur emissions from the shipping industry. Much of this warming is concentrated over the northern h.....»»
Earth hit by "severe" solar storm
The Earth was hit Monday by an intense solar storm that could bring the northern lights to night skies further south than normal, a US agency announced......»»
Faint auroras may be visible in Northern Hemisphere skies after weekend solar storms
Solar storms persisting from the weekend may produce faint colorful auroras across the Northern Hemisphere, with little disruption to power and communications, space forecasters said Monday......»»
Forensic science cracks the "unsolvable" case of a World War I soldier"s identity, enabling his re-burial
In the early hours of July 18, 1918, the Franco-American counter-offensive against German positions began at Aisne-Marne in northern France. The first division of the American Expeditionary Force (AEF) drove the German forces back, but not without si.....»»
The earliest traces of life on Earth—researchers explore carbon in 3.9-billion-year-old Canadian rocks
The isotopic composition of carbon in iron formations from the Saglek-Hebron Complex in Nunatsiavut (northern Labrador) has been seen as evidence of the earliest traces of life on Earth. But a new study by the University of Ottawa, Carleton Universit.....»»
Researchers identify seasonal sources of Beijing smog
An international study led by researchers at the Paul Scherrer Institute PSI has used a new method to identify the various sources of aerosols that create smog in Beijing......»»
Detecting climate change using aerosols
Climate change is one of the most significant environmental challenges of present times, leading to extreme weather events, including droughts, forest fires, and floods. The primary driver of climate change is the release of greenhouse gases into the.....»»
Common tree in São Paulo (Brazil) tolerates extreme drought and can help mitigate adverse effects of climate change
One of the three main tree species in São Paulo city, Brazil—the largest mega-city in the southern hemisphere—is the Tipuana (Tipuana tipu), also known as rosewood or tipu, a tall tree with a large spreading canopy. It is tolerant of extreme dro.....»»
Middle-aged radicalization: Why are so many of Britain"s rioters in their 40s and 50s?
Look closely at the pictures of the violent unrest that has spread across England and Northern Ireland and you will notice something that is not being spoken about. The rioters seen fighting, attacking police and setting fire to buildings are often m.....»»
Forests destroyed by wildfires emit carbon long after the flames die—new study
Even in Earth's high northern-latitude forest, climate change is predicted to make wildfires more frequent and severe......»»
Tropical Storm Debby is expected to send flooding to the Southeast. Here"s how much rain could fall
Northern Florida, the coastal regions of Georgia and South Carolina and parts of North Carolina are bracing for severe rain and catastrophic flooding this week as the Debby storm system moves up and east......»»
See the Perseids and Southern Delta Aquariids in a Stunning Double Meteor Shower
Across the Northern Hemisphere, August will see beautiful displays of meteors. Here's everything you need to know to enjoy them......»»
Colombia, Guatemala learn from each other in rainforest preservation
In the lush jungle of northern Guatemala—in the largest protected area in Central America—30 leaders from Colombia's Amazon basin region are swapping strategies with local ethnic Maya farmers on how to live off this dense forest without destroyin.....»»
Not the day after tomorrow: Why we can"t predict the timing of climate tipping points
A study published in Science Advances reveals that uncertainties are currently too large to accurately predict exact tipping times for critical Earth system components like the Atlantic Meridional Overturning Circulation (AMOC), polar ice sheets, or.....»»
Study shows link between asymmetric polar ice sheet evolution and global climate
Joint research led by Professor An Zhisheng from the Institute of Earth Environment of the Chinese Academy of Sciences has revealed the pivotal role of the growth of the Antarctic ice sheet and associated Southern Hemisphere sea ice expansion in trig.....»»
Krill provide insights into how marine species can adapt to warmer waters
Krill in northern waters show how key marine species can adapt genetically to cope with climate change. This discovery was made by researchers at Uppsala University in collaboration with an international research group. According to the researchers,.....»»
Atmospheric rivers shape long-term changes in Arctic moisture variability
Recent decades have seen rapid warming in the Arctic, known as Arctic amplification, which has impacted the Arctic's cryosphere and ecosystems and influenced global weather and climate through changes in atmospheric circulation......»»