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ScienceDaily: Earth & Climate News |
| High levels of contaminants in killer whales Posted: 19 May 2021 09:07 AM PDT Little is known concerning environmental contaminants in predators at the top of a food chain. A study has demonstrated that new types of brominated flame retardants accumulate in the tissues of killer whales near Norway and are also passed on to nursing offspring. |
| New framework incorporating renewables and flexible carbon capture Posted: 18 May 2021 05:54 PM PDT As the global energy demand continues to grow along with atmospheric levels of carbon dioxide (CO2), there has been a major push to adopt more sustainable and more carbon-neutral energy sources. Solar/wind power and CO2 capture - the process of capturing waste CO2 so it is not introduced into the atmosphere - are two promising pathways for decarbonization, but both have significant drawbacks. |
| Why some pockets of conifer survive repeated forest fires Posted: 18 May 2021 08:48 AM PDT Researchers say topographic templates' can help forest conservation managers develop strategies for protecting and restoring the most fire-resistant parts of vulnerable forests across a range of ecosystems. |
| Grazing management of salt marshes contributes to coastal defense Posted: 18 May 2021 08:41 AM PDT Combining natural salt marsh habitats with conventional dikes may provide a more sustainable alternative for fully engineered flood protection. Researchers studied how salt marsh management can be optimized for coastal defense purposes. They found that grazing by both cattle and small herbivores such as geese and hare and artificial mowing can reduce salt marsh erosion, therefore contributing to nature-based coastal defense. |
| From Avocet to Zebra Finch: Big data study finds more than 50 billion birds in the world Posted: 17 May 2021 04:46 PM PDT There are roughly 50 billion individual birds in the world, a new big data study suggests - about six birds for every human on the planet. |
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