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ScienceDaily: Earth & Climate News |
| Antelope's fate shrouded by social, political forces Posted: 22 Jun 2021 12:43 PM PDT The story of efforts to conserve the endangered oribi in South Africa represent a diaspora of issues as varied as the people who live there. |
| Some seafloor microbes can take the heat: And here's what they eat Posted: 22 Jun 2021 12:43 PM PDT In two new studies on life in the seafloor of the Guaymas Basin, in the Gulf of California, scientists show that distinct regions within the Basin harbor specially adapted microorganisms; discover new microbial inhabitants of this deep-sea community; and suggest how the community may be dramatically influencing carbon cycling in the hot seafloor sediments. |
| Did the ancient Maya have parks? Posted: 22 Jun 2021 09:53 AM PDT Researchers developed a novel system to analyze ancient plant DNA in the sediment of Tikal's temple and palace reservoirs to identify more than 30 species of trees, grasses, vines and flowering plants that lived along its banks more than 1,000 years ago. Their findings paint a picture of a lush, wild oasis in the ancient Maya city. |
| Salt marsh plants may signal carbon capture capacity Posted: 22 Jun 2021 09:33 AM PDT Coastal wetlands like seagrass meadows, mangroves, and salt marshes play vital roles along the shoreline, from providing a buffer against storm surges, to providing critical habitat for animals, to capturing atmospheric carbon. We are still just beginning to comprehend the intricate workings of these highly productive ecosystems and their role in mitigating the climate crisis, but researchers are one step closer to understanding how salt marsh vegetation, their bacterial communities, and vegetation can help predict a marsh's potential to be a blue carbon reservoir. |
| Future of perovskite solar cells shines a little brighter Posted: 22 Jun 2021 09:33 AM PDT A novel way of synthesizing an essential powder is key to raising the efficiency of perovskite solar cells, say researchers. |
| Producing hydrogen using less energy Posted: 22 Jun 2021 09:32 AM PDT The way in which a compound inspired by nature produces hydrogen has now been described in detail. These findings are the foundation for the energy-efficient production of hydrogen as a sustainable energy source. |
| The humidity of flowers acts as an invisible attractor for bumblebees Posted: 22 Jun 2021 09:32 AM PDT As well as bright colors and subtle scents, flowers possess many invisible ways of attracting their pollinators, and a new study shows that bumblebees may use the humidity of a flower to tell them about the presence of nectar. |
| 'Urban green space affects citizens' happiness' Posted: 22 Jun 2021 06:53 AM PDT A recent study revealed that as a city becomes more economically developed, its citizens' happiness becomes more directly related to the area of urban green space. |
| Worrying insights into the chemicals in plastics Posted: 22 Jun 2021 06:16 AM PDT ETH researchers examined chemicals in plastics worldwide. They found an unexpectedly high number of substances of potential concern intentionally used in everyday plastic products. A lack of transparency limits management of these chemicals. |
| Unchecked climate change will cause severe drying of the Amazon forest Posted: 22 Jun 2021 06:16 AM PDT Amazon rain forests could be at far higher risk of extreme drought than previously thought, according to new research. |
| Metal catalysts used for environmental sustainability found to degrade and become less effective Posted: 22 Jun 2021 06:16 AM PDT New research is showing that some tiny catalysts being considered for industrial-scaled environmental remediation efforts may be unstable during operation. |
| Analysing volcanoes to predict their awakening Posted: 22 Jun 2021 06:16 AM PDT A team has reviewed the literature on the internal and external mechanisms that lead to a volcanic eruption. Analyzing the thermo-mechanics of deep volcanic processes and magma propagation to the surface, together with magma chemistry, the geologists determined that most of the magma rising from depth actually does not cause a volcanic eruption. They also show that older volcanoes tend to produce less frequent, but larger and more dangerous eruptions. |
| No northern escape route for Florida's coral reefs Posted: 22 Jun 2021 06:16 AM PDT Warming seas are driving many species of marine life to shift their geographic ranges out of the tropics to higher latitudes where the water is cooler. Florida's reefs will not be able to make that northward move, however, as they will be caught between intolerably hot tropical waters and increasingly frequent water-cooling cold snaps, according to new findings. |
| Aviation's contribution to cutting climate change likely to be small Posted: 22 Jun 2021 06:16 AM PDT Although the emissions targets for aviation are in line with the overall goals of the Paris Agreement, there is a high likelihood that the climate impact of aviation will not meet these goals, according to a new study. |
| Butterflies regularly cross the Sahara in longest-known insect migration Posted: 21 Jun 2021 02:41 PM PDT Wetter conditions in Sub-Saharan and North Africa at certain times of year can result in hundreds of times more Painted Lady butterflies making the 14,000 km round trip to Europe. Findings improve understanding of how insects move to other countries, including pests that destroy crops and disease-carrying species like mosquitoes. |
| Lead from leaded petrol persists in London air despite '90s ban Posted: 21 Jun 2021 01:05 PM PDT Lead levels in London's atmosphere have dropped drastically since lead additives in petrol were phased out, and currently meet UK air quality targets. However despite this drop, airborne particles in London are still highly lead-enriched compared to natural background levels, according to new research. |
| Bronze Age Scandinavia's trading networks for copper Posted: 17 Jun 2021 08:55 AM PDT Five hundred years after the full implementation of copper technology in Scandinavia, the trade that brought the much needed copper to Denmark and southern Sweden also expanded across the Alps. At this time, Bronze Age Scandinavians already traded frequently in central Europe and across the North Sea. |
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