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CGTN - China Global Television Network (China)
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Wildfires source of major CO2 emissions last year
Publicado em 14 de agosto de 2024
Wildfires made more frequent and intense by climate change released significant quantities of CO2 into the air in 2023-2024, said a first-of-its-kind annual study published Wednesday.
Fires in natural areas caused 8.6 billion tonnes of CO2 emissions worldwide between March 2023 and February 2024, 16 percent above average.
Only a relatively calm fires season in the African savannah prevented the 2023-2024 season from breaking a fresh record for CO2 emissions at the global level.
These [...]
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Astronomers astonished by ring around frigid distant world Quaoar
Publicado em 09 fevereiro 2023The small distant world called Quaoar, named after a god of creation in Native American mythology, is producing some surprises for astronomers as it orbits beyond Pluto in the frigid outer reaches of our solar system. Researchers said on Wednesday they have detected a ring encircling Quaoar akin to the one around the planet Saturn. But the one around Quaoar defies the current understanding of where such rings can form – located much further away from it than current scientific [...]ver notícia -
Nearly half of Amazon city's COVID-19 cases caused by new variant found in Brazil: research
Publicado em 23 janeiro 2021A variant of the novel coronavirus first detected in Brazil already accounts for about half of new infections in the country's Amazonian city of Manaus, raising concerns about a greater risk of spread, a researcher warned on Friday. A team led by immunologist Ester Sabino collected genomic data from COVID-19 tests in Manaus that indicated 42 percent of the confirmed cases were infected by the new variant, which has mutations similar to the British and South African variants. The new [...]ver notícia -
Nature Discoveries: New high-voltage electric eels revealed
Publicado em 12 setembro 2019Call it a shock discovery: DNA research has revealed two entirely new species of electric eel in the Amazon basin, including one capable of delivering a record-breaking jolt. The findings are evidence, researchers say, of the incredible diversity in the Amazon rainforest – much of it still unknown to science – and illustrate why it is so important to protect a habitat at risk from deforestation, logging and fires. “In spite of all human impact on the Amazon rainforest in the [...]ver notícia