The human cost of climate change, as reported by the Fiji Sun. Thirty-three villages have been earmarked for relocation, a direct result of rising sea level. Fijians also live in fear of ever more powerful hurricanes, like Tropical Cyclone Winston that hit them a year ago.
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Northeastern Brazil is suffering from five years of drought, its worst on record. A city of 400,000 is seriously in danger of running out of water this summer. Decreased rainfall and increased evaporation due to warmer temperatures are mainly to blame, with improper mismanagement adding to the problems people face.
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A new paper describes the accelerating dynamic feedbacks between the natural Earth system and the extraordinary system created by human population growth plus growth of resource consumption per capita, which has the added problem of being highly unbalanced. Absence of sustainability is a common theme. Climate change is seen as only one of many interwoven activities that need correcting but are still not fully understood.
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How the current extinction rate for vertebrates is calculated and compared with the normal background rate. This is an article published in a scientific journal in 2015, of noteworthy authorship, offering full open readership. The conclusions provide a useful understanding of what is meant whenever reference is made to the “sixth extinction.”
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The major roadblock for lithium-sulfur battery commercialization has been greatly reduced. This type of battery offers many game-changing advantages over the existing lithium-ion type, with length of life-cycle being the one critical exception. A new discovery related to design has done much to close that gap.
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Advances have also been made in the way wind turbines can be designed for greater efficiency. “But the moderately flexible blades outperformed the rigid ones, creating up to 35% more power and allowing the blades to operate efficiently in a wider range of wind conditions, the team reports.” Scaling up will take time, but doing so successfully is considered “a perfectly reasonable expectation.”