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ScienceDaily: Earth & Climate News |
| Genetically-enhanced biocontrols can help fight large invasive mammals, study finds Posted: 08 Jul 2022 06:56 AM PDT Genome engineering using CRISPR offers novel solutions for controlling invasive alien species, but its efficiency for eradicating harmful vertebrates is yet to be tested. In a new study, researchers confirm that genetic biocontrols could rapidly eradicate animals like rats, mice and rabbits. Others -- like cats and foxes -- would, however, take a lot longer. |
| Carbon conservation efforts would be enhanced by highlighting threatened forest primates Posted: 07 Jul 2022 02:18 PM PDT Efforts to conserve the carbon stored in tropical forests would be enhanced by linking the work to the charismatic, threatened primates that live there, researchers say in a new paper. |
| Researchers create method for breaking down plant materials for earth-friendly energy Posted: 07 Jul 2022 02:18 PM PDT With energy costs rising, and the rapidly emerging effects of burning fossil fuels on the global climate, the need has never been greater for researchers to find paths to products and fuels that are truly renewable. |
| Balancing protein in your diet could improve water quality Posted: 07 Jul 2022 02:18 PM PDT Balancing how much protein you eat with the amount your body needs could reduce nitrogen releases to aquatic systems in the U.S., a new study found. |
| Electric vehicle buyers want rebates, not tax credits Posted: 07 Jul 2022 11:19 AM PDT Financial incentives play an important role in the widespread adoption of electric vehicles. New research, however, finds that not all financial incentives are created equal in the eyes of prospective car buyers, and the current federal incentive -- a tax credit -- is, in fact, valued the least by car buyers. |
| Experts predict top emerging impacts on ocean biodiversity over next decade Posted: 07 Jul 2022 11:18 AM PDT Lithium extraction from the deep sea, overfishing of deeper-water species, and the unexpected ocean impacts of wildfires on land are among fifteen issues experts warn we ought to be addressing now. |
| 150 southern fin whales observed feeding together Posted: 07 Jul 2022 11:18 AM PDT After blue whales, fin whales are the largest whales in the world -- and human beings have hunted both species to near-extinction. After the ban on commercial whaling in 1976, the stocks of these long-lived, but slow-growing creatures are rebounding: researchers have witnessed large groups of up to 150 southern fin whales in their historical feeding areas -- more than has ever been documented before using modern methods. Given these whales' key role in nutrient recycling, other species in the Antarctic ecosystem, like the krill, could also benefit from their rebounding numbers. |
| Ozone depletion over North Pole produces weather anomalies Posted: 07 Jul 2022 11:18 AM PDT Researchers have established that the destruction of ozone over the Arctic in the spring causes abnormal weather throughout the northern hemisphere, with many places being warmer and drier than average -- or too wet. |
| Research reveals why tackling particle pollution leads to rise in photochemical smog Posted: 07 Jul 2022 11:18 AM PDT Researchers have discovered why reducing particle pollution is leading to a rise in photochemical smog in some emerging economies such as India, Africa and China. |
| Oceanographers develop new model to better predict barrier island retreat Posted: 07 Jul 2022 11:18 AM PDT Barrier islands protect the coastline from storms, storm surge, waves and flooding. They can act as a buffer between the ocean and beachfront property. As sea level rises, barrier islands retreat, or move closer toward the shore, which diminishes the buffer and protection. New information shows the retreat of coastal barrier islands will accelerate by 50 percent within a century, even if sea level continues to rise at its present rate. |
| Awash in potential: Wastewater provides early detection of SARS-CoV-2 virus Posted: 07 Jul 2022 11:18 AM PDT Scientists and physicians describe how wastewater sequencing provided dramatic new insights into levels and variants of SARS-CoV-2 on campus and in the broader community -- a key step to public health interventions in advance of COVID-19 case surges. |
| How nuclear war would affect earth today Posted: 07 Jul 2022 07:09 AM PDT Russia's invasion of Ukraine has brought the threat of nuclear warfare to the forefront. But how would modern nuclear detonations impact the world today? A new study published today provides stark information on the global impact of nuclear war. |
| Climate factors predict future mosquito activity Posted: 07 Jul 2022 07:09 AM PDT Increases in three climate factors -- temperature, rainfall, and ocean warming -- predicted mosquito population growth in Sri Lanka for the next one to six months, according to a new study. The findings can inform the design and timing of programs to limit the spread of mosquito-borne diseases like dengue. |
| Reduction of global inequalities in energy use necessary to stop climate change Posted: 07 Jul 2022 07:09 AM PDT A new study shows that existing climate mitigation scenarios perpetuate inequalities in energy use between the Global North and the Global South long into the future. These scenarios disadvantage the Global South and are therefore politically untenable, the study's authors argue. |
| Gardening can cultivate better mental health Posted: 06 Jul 2022 01:54 PM PDT New research suggests that many people may indeed reap mental health benefits from working with plants -- even if they've never gardened before. |
| Fiber optic sensing detects tremor from Icelandic subglacial volcano Posted: 06 Jul 2022 01:54 PM PDT Researchers used a fiber optic cable on the ice cap of an Icelandic subglacial volcano to detect low-frequency volcanic tremor, suggesting this technology could be useful in monitoring other ice-covered volcano systems. |
| Birdwatching brings millions of dollars to Alaska Posted: 06 Jul 2022 01:53 PM PDT New research found that nearly 300,000 birders traveled to the state and spent about $378 million in 2016. Birdwatching supported roughly 4,300 jobs in Alaska that year. |
| Citizen scientists from 200 years ago and today help shed light on climate change trends Posted: 06 Jul 2022 12:31 PM PDT Citizen science observations across two centuries reveal a dramatic, climate-driven shift to earlier leaf out and flowering, which varies across settings, species and functional groups. Plants in urban areas, insect pollinated trees, and early-season species show the greatest rate of advancement overall. This unprecedented comparison of historic-modern network observations illustrates how long-term monitoring and citizen science efforts are invaluable for ecological forecasting and discovery. |
| Using the power of the sun to roast green chile Posted: 06 Jul 2022 12:31 PM PDT Roasting green chile is an important cultural touchstone for New Mexico, but it leads to a seasonal emission of approximately 7,800 metric tons of carbon dioxide -- the equivalent of driving 1,700 cars for a year. Sandia National Laboratories engineer Kenneth Armijo, who grew up on a chile farm in Sabinal, located between Albuquerque and Socorro, New Mexico, thought there was a 'greener' way to roast green chile. The results of his experiments roasting chile with concentrated sunlight will be shared at the American Society of Mechanical Engineers' conference on energy and sustainability next week. |
| Multi-layered strategies needed to protect public health from oil and gas drilling impacts Posted: 06 Jul 2022 10:33 AM PDT A group of public health experts from several universities and organizations is urging adoption of a multi-layered approach when developing policies to mitigate the impact of gas and oil production operations. They lay out a framework for decision-making, which they say would facilitate the application of more public health protective measures. |
| Solar-powered chemistry uses carbon dioxide and water to make feedstock for fuels, chemicals Posted: 06 Jul 2022 10:33 AM PDT Solar-powered synthesis gas could recycle carbon dioxide into fuels and useful chemicals, an international team of researchers has shown. |
| Validating a new method for assessing the antimicrobial efficacy of domestic cleaning products Posted: 06 Jul 2022 10:33 AM PDT Researchers have statistically validated a new method for assessing the antimicrobial efficacy of detergents and textile additives in domestic environments. The results reveal the validity of the new protocol, which has been presented to the European Committee for Standardisation (CEN) requesting it to become the European standard. |
| Climate warming could deepen environmental injustice in urban areas Posted: 06 Jul 2022 10:33 AM PDT Extreme heat events could become more intense and frequent both locally and globally, increasing the risk of harm to health and global economies, according to a new study. |
| Posted: 06 Jul 2022 10:33 AM PDT The bacterium Photorhabdus luminescens is already used as bioinsecticide to protect crops against a wide range of insect pests. Researchers have recently demonstrated that P. luminescens can also protect plants against fungal infection. |
| Stronger integration of international negotiations needed to protect the ocean Posted: 06 Jul 2022 10:33 AM PDT International solutions are needed to protect the ocean. Two sets of regulations currently under development offer an opportunity to expand protections, but a greater degree of alignment between the two must be achieved. In a new scientific article, researchers outline how this could be realized. |
| Volcano's eruption will help scientists plot weather, climate Posted: 06 Jul 2022 10:33 AM PDT As it captivated people around the world, the January eruption of the Hunga Tonga-Hunga Ha'apai volcano gave scientists a once-in-a-lifetime chance to study how the atmosphere works, unlocking keys to better predict the weather and changing climate. |
| Printing a new chapter in solar energy Posted: 05 Jul 2022 01:22 PM PDT A simple and versatile nanoparticle ink could help next-generation perovskite solar cells to be printed at scale and become the dominant force in commercial photovoltaics. |
| Arctic temperatures are increasing four times faster than global warming Posted: 05 Jul 2022 01:21 PM PDT A new analysis of observed temperatures shows the Arctic is heating up more than four times faster than the rate of global warming. The trend has stepped upward steeply twice in the last 50 years, a finding missed by all but four of 39 climate models. |
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