Fumaça de incêndios florestais gera preocupações com a saúde na gravidez após grandes queimadas

28 de maio de 2026

Reportado por IA

Pais na Austrália e na Califórnia questionam se a exposição à fumaça de incêndios florestais durante a gravidez contribuiu para problemas de saúde em seus filhos. Incêndios recentes produziram níveis de poluição sem precedentes que afetaram populações urbanas distantes das chamas.

Anneke French, uma enfermeira em Canberra, sofreu um descolamento prematuro da placenta com 35 semanas durante o "Black Summer" da Austrália em 2019-2020. Sua filha Margot nasceu prematura e com baixo peso, desenvolvendo mais tarde asma e eczema. French e seu obstetra Stephen Robson notaram a fumaça penetrando nos quartos do hospital durante os partos naquele verão.

Study of young lung cancer patients finds unexpectedly high diet-quality scores; researchers probe possible pesticide exposure

18 de abril de 2026 Reportado por IA Imagem gerada por IA Verificado

Preliminary research from USC Norris Comprehensive Cancer Center, presented at the American Association for Cancer Research (AACR) annual meeting, found that non-smokers diagnosed with lung cancer before age 50 reported eating more fruits, vegetables and whole grains—and had higher overall Healthy Eating Index scores—than the U.S. population average. The researchers emphasized that the results do not prove diet causes lung cancer and said a possible explanation could involve environmental exposures such as pesticides, a hypothesis that requires direct testing.

Study reveals tripling of extreme wildfire risk days over 45 years

A recent study in Science Advances has found that the number of days with conditions ideal for extreme wildfires—combining heat, drought, and wind—has nearly tripled globally in the past 45 years. This increase, driven largely by human-caused climate change, is most notable in the Americas and involves more frequent simultaneous risks across regions. The findings highlight challenges for firefighting resources and underscore the need for homeowner preparedness.

Nearly half of US children exposed to poor air quality, ALA warns

25 de abril de 2026 Reportado por IA

The American Lung Association's latest report reveals that 33.5 million US children, or 46 percent under age 18, live in areas failing at least one air pollution measure. An additional 7 million children reside in communities failing all three key metrics. The findings, based on 2022-2024 data, highlight worsening conditions amid environmental rollbacks.

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Study reveals underestimated carbon emissions from boreal wildfires

A new study from UC Berkeley indicates that climate models may significantly underestimate carbon emissions from wildfires in boreal forests due to overlooked peat soil burning. Researchers analyzed 2018 wildfires in Sweden and found that smoldering underground fires release ancient carbon stored for centuries. This discrepancy highlights potential gaps in global emission estimates, especially in vast regions like Siberia and Canada.

Arctic wildfires release carbon stored for thousands of years

13 de maio de 2026 Reportado por IA

Wildfires raging across Arctic and boreal regions are igniting ancient carbon in soils, releasing far more carbon dioxide than climate models have assumed. A new study of soil cores shows that some fires are burning organic matter up to 5,000 years old.

sexta-feira, 15 de maio de 2026, 12:01h

Fumaça de incêndios florestais gera preocupações com a saúde na gravidez após grandes queimadas

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