The process of preparing and mixing a baby bottle formula seems innocuous, but new research finds this common occurrence is actually releasing millions of microplastic particles from the bottle's lining, Wired reported.
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EcoWatch Daily Newsletter
Trump Calls Fauci 'a Disaster,' Tries to Blame Science and Medical Experts for Failed Coronavirus Response
President Trump attacked the nation's top infectious disease specialist in a call with campaign staffers that several reporters were allowed to listen to on Monday. In the call, Trump said that Dr. Anthony S. Fauci was "a disaster." He added that despite the evidence that coronavirus cases are once again rising across the country, the public was tired of hearing so much news about the virus, especially from "these idiots" in the government and scientific community, as The Washington Post reported.
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By Brian Bienkowski
Fish exposed to endocrine-disrupting compounds pass on health problems to future generations, including deformities, reduced survival, and reproductive problems, according to a new study.
Low Levels Lead to Generational Impacts<p>Researchers exposed inland silverside fish to bifenthrin, levonorgestrel, ethinylestradiol, and trenbolone to levels currently found in waterways.</p><p>"Our concentrations were actually on the low end" of what is found in the wild, DeCourten said, adding that it was low amounts of chemicals in parts per trillion.</p><p>Bifenthrin is a pesticide; levonorgestrel and ethinylestradiol are synthetic hormones used in birth controls; and trenbolone is a synthetic steroid often given to cattle to bulk them up.</p><p>Such endocrine-disruptors have already been linked to a variety of health problems in directly exposed fish including altered growth, reduced survival, lowered egg production, skewed sex ratios, and negative impacts to immune systems. But what remains less clear is how the exposure may impact future generations.</p><p>For their study, DeCourten and colleagues started the exposure when the fish were embryos and continued it for 21 days.</p><p>They then tracked effects on the exposed fish, and the next two generations.</p>
Inherited Problems<p>DeCourten said the altered DNA methylation is one of the plausible ways that future generations would experience health impacts from previous generations' exposure. Hormone-disrupting compounds have been shown to impact DNA methylation, which is an important marker of how an organism will develop.</p><p>"Methyl groups are added to specific sites on the genome, [the exposure] is not changing the genome itself, but rather how the genome is expressed," she said. "And that can be inherited throughout generations."</p><p>In addition, Brander said there are essentially different "tags" that exist on DNA molecules, which tell genes how to turn on and off. She said the exposure to different compounds may be "influencing which methyl tags get taken on or off as you proceed through generations."</p><p>The researchers said the study should prompt future toxics testing to consider impacts on future generations.</p><p>"The results … throw a wrench in the current approach to regulating chemicals, where it's often short-term testing looking at simple things like growth, survival, and maybe gene expression," Brander said.</p><p>"These findings are telling us we really at least need to consider" the next two generations, she added.</p>
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New Zealand’s Jacinda Ardern Wins Historic Victory Following Science-Based Leadership on COVID and Climate
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The National Oceanic and Atmospheric Administration (NOAA) predicted a mild winter for most of the U.S. Thursday, forecasting that the drought that now covers nearly half the country will get worse, according to The New York Times.
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By Kenny Stancil
As the climate crisis fuels devastating wildfires across the western United States and melts Arctic sea ice at an alarming rate, the National Oceanic and Atmospheric Administration announced Wednesday that Earth just experienced the hottest September on record and that 2020 is on pace to be one of the three hottest years on the books.
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Could the climate crisis drive Homo sapiens to extinction?
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For the second time this year, Colorado is battling the largest wildfire in state history.
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The hole in the ozone layer over Antarctica is one of the largest and deepest in the past 15 years, the World Meteorological Organization (WMO) said Tuesday.
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For the first time in more than two centuries of publication, the New England Journal of Medicine (NEJM) has taken a stand on a U.S. election.
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Trump Again Claims Coronavirus Less Deadly Than Flu, Prompting Facebook and Twitter to Block His Post
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