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Now is the time to think about reintroducing jaguars into the US

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NEW YORK (May 11, 2021) - A group of scientists say now is the time to talk about reintroducing jaguars (Panthera onca) into the U.S.
In a study published today in the journal
Conservation Science and Practice, the authors provide a prospective framework for this effort and describe righting a wrong done to America s Great Cat in the Southwest more than 50 years ago. The big cats lived for hundreds of years in the central mountains of Arizona and New Mexico but were driven to local extinction by the mid-20th century, in part because of killing by government hunters.
Authors of the study include a diverse set of scientists from the Wildlife Conservation Society, Center for Landscape Conservation, Defenders of Wildlife, Wildlands Network, Pace University, Universidad Autónoma de Querétaro, Life Net Nature, and the Center for Biological Diversity. ....

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New Report: Hypersonic Weapons Offer Few Advantages | Union of Concerned Scientists

Billions Spent on Hypersonic Development is Driving a Costly Arms Race
Published May 5, 2021
A new technical analysis by the Union of Concerned Scientists (UCS) finds that hypersonic weapons offer few meaningful advantages over existing missiles in terms of speed, maneuverability, accuracy, stealth, or the evasion of missile defenses. It recommends that the United States slow its development and acquisition of these weapons to better align funding with their limited tactical and strategic utility.
“Hypersonic weapons are widely promoted as revolutionary missile technologies. That misperception is driving a new and expensive arms race between the United States, Russia, and China that poses a global security risk,” said Dr. Cameron Tracy, a Kendall Fellow for the UCS Global Security Program and author of the report. “Unfortunately, the overhyped claims regarding the performance of these weapons are rarely backed up with data.” ....

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Breakthrough study shows no-take marine reserves benefit overfished reefs

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IMAGE: No-take marine protected areas (MPAs) increased the growth of fish populations by 42 percent when fishing was unsustainable in surrounding areas.
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Credit: © Erika Piñeros, for WCS
New York, NY (May 4, 2021) - A powerful, long-term study from WCS adds scientific backing for global calls for conserving 30 percent of the world s ocean. The studied no-take marine protected areas (MPAs) increased the growth of fish populations by 42 percent when fishing was unsustainable in surrounding areas, achieving the benefits of stable and high production of fish populations for fishers, while protecting threatened ecosystems.
The study recorded fish catches for 24-years across a dozen fish landing sites within two counties in Kenya, which allowed scientists to evaluate the long-term impacts of two different fisheries management methods. While one county utilized a no-take MPA covering 30 percent of the fishery, the other focused on gear ....

New York , United States , Tim Mcclanahan , Tiffany Co , Global Conservation Program , Convention On Biological Diversity , Catherinet Macarthur Foundation , Wildlife Conservation Society , Senior Coral Reef Scientist , Conservation Scientist Tim Mcclanahan , Bloomberg Philanthropies , Bronx Zoo , New York City , Biological Diversity , புதியது யார்க் , ஒன்றுபட்டது மாநிலங்களில் , நேரம் ம்க்கிலானான் , டிஃப்பனி இணை , உலகளாவிய பாதுகாப்பு ப்ரோக்ர்யாம் , மாநாடு ஆன் உயிரியல் பன்முகத்தன்மை , வனவிலங்கு பாதுகாப்பு சமூகம் , ப்ராங்க்ஸ் ஸூ , புதியது யார்க் நகரம் , உயிரியல் பன்முகத்தன்மை ,

New Legislation Would Prevent the United States from Initiating Nuclear War

Statement by Stephen Young, Global Security Program at the Union of Concerned Scientists
Published Apr 15, 2021
WASHINGTON (April 15, 2021) Sen. Elizabeth Warren (D-Mass.) and Rep. Adam Smith (D-Wash.) today reintroduced their No First Use Act that would prohibit any U.S. president from launching nuclear weapons in a first strike.
Adopting a no first use (NFU) policy that commits the United States to never being the first nation to use nuclear weapons will strengthen U.S. security by reducing the risk of nuclear war, according to the Union of Concerned Scientists (UCS). As highlighted in a new UCS video, President Biden has said he supports an NFU policy and his administration should consider it a priority when conducting its nuclear policy and defense reviews. ....

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UW Space Dialogue with Laura Grego

UW Space Dialogue with Laura Grego
April 8 @ 12:00 pm - 1:00 pm Free
Laura Grego is a senior scientist in the Global Security Program at the Union of Concerned Scientists. She focuses her analysis and advocacy on the technology and security dimensions of ballistic missile defense and of outer space security.
The Space Policy and Research Center presents the UW Space Dialogues to bring together experts across the university and beyond to foster collaboration and strengthen practice and research across academia, government, non-profits, and industry. ....

Laura Grego , Global Security Program , Research Center , Union Of Concerned Scientists , Space Policy , லாரா கிரெகோ , உலகளாவிய பாதுகாப்பு ப்ரோக்ர்யாம் , ஆராய்ச்சி மையம் , தொழிற்சங்கம் ஆஃப் சம்பந்தப்பட்ட விஞ்ஞானிகள் , இடம் பாலிஸீ ,