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Keyword: denisechow

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  • Earth's atmosphere hasn't had this much CO2 in millions of years

    06/05/2025 2:49:02 PM PDT · by PROCON · 87 replies
    nbcnews.com ^ | June 5, 2025 | By Denise Chow and Chase Cain
    New data shows that CO2 levels have broken through 430 parts per million, an indication that human-caused global warming will continue to warp the environment.Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and Atmospheric Administration and scientists at the University of California San Diego.For the first time, global average concentrations of carbon dioxide, a greenhouse gas emitted as a byproduct of burning fossil fuels, exceeded 430 parts per million (ppm) in May. The new readings were...
  • Science under siege: Trump cuts threaten to undermine decades of research

    02/18/2025 12:48:02 PM PST · by Oldeconomybuyer · 54 replies
    NBC News | Comcast ^ | February 18, 2025 | By Evan Bush, Aria Bendix and Denise Chow
    Sweeping layoffs, funding freezes and executive orders have provoked outcry among federal researchers and their university partners, who fear that science itself is under siege. “This is simply the end.” That was the five-word message that Rick Huganir, a neuroscientist at Johns Hopkins University in Baltimore, received from a colleague just before 6 p.m. two Fridays ago, with news that would send a wave of panic through the scientific community.… The flurry of activity in recent weeks stems from Trump’s executive orders that aim to shrink the federal workforce and target programs related to gender identity, environmental justice or diversity,...
  • Now or never: One of the biggest climate reports ever shows time is running out

    03/20/2023 6:32:15 AM PDT · by Oldeconomybuyer · 48 replies
    NBC News / Comcast ^ | March 20, 2023 | By Evan Bush and Denise Chow
    The chance to secure a livable future for everyone on Earth is slipping away. That was the dire message from a United Nations report released Monday, the culmination of more than six years of work by thousands of climate scientists contributing to the United Nations Intergovernmental Panel on Climate Change (IPCC). “There is a rapidly closing window of opportunity to secure a liveable and sustainable future for all,” the report’s authors wrote. Still, there’s hope. The technology needed to adapt to climate change and keep harmful emissions at bay is available, the report says, arguing that a clear path exists...
  • Billions and trillions: Climate efforts set for big boost if Build Back Better bill passes (only 9.15 years left)

    11/28/2021 6:21:13 AM PST · by Libloather · 20 replies
    NBC 'News' ^ | 11/28/21 | Denise Chow, Evan Bush
    For climate experts and policymakers, $1 trillion is just a start. As the U.S. seeks to prove it’s serious about its international climate commitments, the focus now is on whether the Biden administration can pass its $2 trillion spending bill, which includes $555 billion to fight climate change and could be the new cornerstone of federal climate policy. The $1 trillion bipartisan infrastructure bill passed by Congress this month already commits historic levels of funding for climate projects. But experts say the U.S. won’t reach its climate goals or restore its international credibility unless the administration can pass its Build...
  • There's still no evidence of a Chinese lab leak. But here’s what's changed, scientists say.

    06/17/2021 1:19:11 PM PDT · by yesthatjallen · 49 replies
    NBC via MSN ^ | 06 17 2021 | Denise Chow
    Alina Chan isn't saying the coronavirus definitely leaked from a lab in China. What she is saying is what more scientists have grown comfortable discussing publicly: There's no clear evidence either way. "I know a lot of people want to have a smoking gun," said Chan, a postdoctoral associate at the Broad Institute of MIT and Harvard University who specializes in genetic engineering and has been vocal about the need to investigate the possibility of a lab leak. "It's more like breadcrumbs everywhere, and they're not always leading in one direction. It's like the whole floor is covered in breadcrumbs."...