Wildfires have been burning across the state of California for weeks—some of them becoming larger complexes as different fires merge. One of those was the August Complex Fire, which reportedly began as 37 distinct fires caused by lightning strikes in northern California on Aug. 17. That fire is still burning over a month later.
Nearly 30 years after recording a temperature of minus 93.2 degrees Fahrenheit (minus 69.6 Celsius) in Greenland, the measurement has been verified by the World Meteorological Organization as the coldest recorded temperature in the Northern Hemisphere.
An article in 2011 shocked many by suggesting that up to 187 million people could be forced to leave their homes as a result of two meters of sea level rise by 2100. Almost a decade on, some of the latest estimates suggest that as many as 630 million people may live on land below projected annual flood levels for the end of the century.
NASA's Terra satellite obtained visible imagery of Post-Tropical Cyclone Beta as it continued moving slowly through the Tennessee Valley. Clouds associated with the low-pressure area looked like a large white blanket draped across much of the southeastern U.S.
NASA's Aqua satellite provided an infrared view of Tropical Storm Lowell that revealed the effects of outside winds battering the storm.
Lifestyles in China are changing rapidly, and ordering food online is an example. However, those billions of delivery meals produce an enormous amount of plastic waste from packaging, but also from food containers and cutlery; in one year, some 7.3 billion sets of single-use tableware accompany the food. Around one-third of the 553 kilotons of municipal solid waste that is generated each day comes from packaging. That is why a group of scientists analyzed whether using paper alternatives or reusable tableware could reduce plastic waste and associated life cycle emissions.
A new way of analyzing the chemical composition of soil organic matter will help scientists predict how soils store carbon—and how soil carbon may affect climate in the future, says a Baylor University researcher.
The severe droughts in the USA and Australia are the first sign that the tropics, and their warm temperatures, are apparently expanding in the wake of climate change. But until now, scientists have been unable to conclusively explain the reasons for this, because they were mostly focusing on atmospheric processes. Now, experts at the AWI have solved the puzzle: the alarming expansion of the tropics is not caused by processes in the atmosphere, but quite simply by warming subtropical ocean.
Summer and fall are wildfire season across the western U.S. In recent years, wildfires have destroyed thousands of homes, forced hundreds of thousands of people to evacuate and exposed tens of millions to harmful smoke.
Anew report shows that a solid majority of Los Angeles County residents believe that climate change is caused by human activity and that it poses a threat to their well-being. And the more mindful they are of the threat, the more willing they are to adopt practices that benefit the environment. However, less than half of residents are aware of government incentives to help them adopt those practices, and a large majority are unprepared for the threat posed by climate change, including its ability to exacerbate wildfires.
The Copernicus Sentinel-2 mission takes us over the Tarawa Atoll in the Republic of Kiribati – a remote Pacific nation threatened by rising seas.
Thunderstorms often provoke violent cloud bursts that can result in devastating flooding. But what actually spawns thunderstorms and cloud bursts? This question has spurred a new study by researchers at the University of Copenhagen—with surprising results.
Excessive pumping from underground aquifers can cause the surrounding land to sink and lead to damage to streets, bridges and other infrastructure, reduced groundwater storage, and contaminated drinking water, according to researchers at Missouri S&T. They are using a form of artificial intelligence known as machine learning to map the sinking—called land subsidence—to help water policy officials make informed decisions.
The extreme, recent drought has devastated many communities around the Murray-Darling Basin, but the processes driving drought are still not well understood.
As harmful atmospheric carbon dioxide levels continue to increase, understanding the planet's carbon balance is increasingly important.
Like many who grew up in East Germany, Dr. Gert Lube always yearned to travel and explore different places. Ten years after the fall of the Berlin Wall, when he was a first-year geology student at the University of Greifswald, he heard about a field trip to Iceland and seized the opportunity.
Globally, there is an imbalance between water availability and water demand. The main cause of this mismatch is agricultural irrigation, which accounts for about 70% of freshwater withdrawal. At the same time, wastewater treatment plants discharge large volumes of water that diminish the quality of the limited freshwater resources. A new study by a diverse team of experts, including researchers from the University of Amsterdam, shows that reusing treated domestic wastewater through groundwater fed irrigation can satisfy part of the agricultural water demand, while wastewater is naturally purified through the sub-soil. Their findings are now published in the scientific journals Science of the Total Environment and Reviews of Environmental Contamination and Toxicology.
Urban extent in low-lying coastal areas is increasing faster than in the hinterland, thus leading to increased exposure to sea-level rise and associated hazards. Societies' risk to future coastal flooding will, therefore, not only depend on the physical drivers of change but also on the rate and pattern of urban growth. Researchers at Kiel University (CAU), together with partners from Berlin and Athens, have now developed a new set of spatially explicit projections of urban extent for ten countries in the Mediterranean, with a high spatial and temporal resolution. These future urban projections indicate that accounting for the spatial patterns of urban development can lead to significant differences in the assessment of future coastal urban exposure. Depending on the urban development scenario chosen, the exposure of certain coastal regions can vary by up to 104 percent until 2100. These results have recently been published in the international journal Scientific Reports.
Humanity is facing many serious problems at the moment, notwithstanding the global viral pandemic that is SARS-CoV-2. Global warming and climate change are still with us, water and food security are increasingly problematic for millions of people, and the amount of plastic waste we are generating simply grows and grows.
Where rivers meet oceans, each cycle of the tide moves water in and out of estuaries. The mixing and mingling of fresh and briny water, combined with seasonal weather, creates a unique environment for ecosystems in coastal estuaries and upstream tidal rivers.
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