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73 results for Climate change

Science Tips, November 2014
Science Tips, November 2014

https://www.weizmann-usa.org/news-media/news-releases/science-tips-november-2014/

Nov 18, 2014... Satellite image of Olympus Mons on Mars, the largest volcano in the solar system at about three times the height of Mount Everest. Around 3.5 to 4 billion years ago, the release of volcanic gases, especially the greenhouse gas sulfur dioxide, may have warmed the surface of Mars episodically, melting the ice and thereby explaining the presence of geomorphological features indicative of the flow of water on the planet’s ancient surface.

TAGS: Space, Climate change, Water, Biochemistry, Earth, Molecular genetics, Proteins, Alzheimers

The Grand Old Trees of the World are Dying, Leaving Forests Younger and Shorter
The Grand Old Trees of the World are Dying, Leaving Forests Younger and Shorter

https://www.weizmann-usa.org/news-media/in-the-news/the-grand-old-trees-of-the-world-are-dying-leaving-forests-younger-and-shorter/

May 28, 2020... California's giant Sequoias can live for more than 3,000 years, their trunks stretching two car lengths in diameter, their branches reaching nearly 300 feet toward the clouds. But a few years ago, amid a record drought, scientists noticed something odd. A few of these arboreal behemoths inside Sequoia and Kings Canyon National Parks were dying in ways no one had ever documented—from the top down.
When researchers climbed into the canopies, they discovered that cedar bark beetles had bored into a few branches. By 2019, at least 38 of the trees had died—not a large number, but “concerning because we’ve never observed this before,” says Christy Brigham, the park’s chief of resource management.

TAGS: Environment, Climate change, Plants, Earth

Small Urban Groves Help Fight Big Climate Changes
Small Urban Groves Help Fight Big Climate Changes

https://www.weizmann-usa.org/news-media/in-the-news/small-urban-groves-help-fight-big-climate-changes/

Oct 07, 2020... Finally, some positive news about climate change: Even small groves in your backyard or city park help fight the effects of rising temperatures, drought and greenhouse gases.
“Urban orchards and green spaces can contribute to a range of ecosystem services,” writes Weizmann Institute of Science postdoctoral researcher Rafat Qubaja in a soon-to-be-published paper.
Those “services” include storing carbon, reducing air pollution, regulating the urban microclimate, cooling and shading, retaining rainwater and soil moisture, recharging groundwater and more.

TAGS: Community, Environment, Climate change, Earth

How Bushfire Smoke Traveled Around the World
How Bushfire Smoke Traveled Around the World

https://www.weizmann-usa.org/news-media/news-releases/how-bushfire-smoke-traveled-around-the-world/

Mar 18, 2021... REHOVOT, ISRAEL—March 18, 2021—It’s not just how hot the fires burn – it’s also where they burn that matters. During the recent extreme fire season in Australia, which began in 2019 and burned into 2020, millions of tons of smoke particles were released into the atmosphere. Most of those particles followed a typical pattern and settled to the ground after a day or week; however, the particles created in fires burning in one area of the country managed to blanket the entire Southern Hemisphere for months. When studying particle-laden haze, two researchers at the Weizmann Institute of Science noticed puzzling spikes in a certain measurement, and tracked the elevated levels to the fires in that area. Next, as reported in Science, the Israeli scientists uncovered the “perfect storm” of circumstances that swept the particles emitted from those fires into the upper atmosphere and spread them over the entire Southern Hemisphere.

TAGS: Climate change, Earth

Recent Australian Wildfires Led to Record Atmospheric Pollution
Recent Australian Wildfires Led to Record Atmospheric Pollution

https://www.weizmann-usa.org/news-media/in-the-news/recent-australian-wildfires-led-to-record-atmospheric-pollution/

Mar 18, 2021... The 2019–20 wildfires in Australia injected huge amounts of smoke into the stratosphere, which has led to record aerosol levels over the southern hemisphere.
Ilan Koren at the Weizmann Institute of Science in Israel and Eitan Hirsch at the Israel Institute for Biological Research analysed satellite data collected between 1981 and 2020 to look at what effect the devastating bushfire season in Australia had on aerosol concentrations in the stratosphere.

TAGS: Climate change, Earth

Using Science to Restore Our Planet, On Earth Day – and Every Day
Using Science to Restore Our Planet, On Earth Day – and Every Day

https://www.weizmann-usa.org/news-media/feature-stories/using-science-to-restore-our-planet-on-earth-day-and-every-day/

Apr 16, 2021... While Earth Day is 51 years old this year, the Earth is 4.54 billion years old – “plus or minus about 50 million years,” says the National Geographic Society. And yet in less than 200 years, the blink of an eye, humankind has thrown a wrench into our small planet’s carefully tuned systems.
Since the Industrial Age, our remarkable advances have had a flip side: chemicals, pharmaceuticals, fossil fuels, and the like have fouled our water, land, and climate. We have increased Earth’s temperature, causing mass extinctions, stronger storms, devastating wildfires, flooding, and food shortages – consequences that will only increase. And while we can all take personal steps, there is ultimately one hope for mitigating human impacts on the planet: science.

TAGS: Environment, Climate change, Earth, Humanity

Science is Heeding the Ocean’s SOS
Science is Heeding the Ocean’s SOS

https://www.weizmann-usa.org/news-media/feature-stories/science-is-heeding-the-ocean-s-sos/

Jul 19, 2021... What’s one of the first things you do when you get to the ocean? It’s probably to take a deep breath, inhaling the instantly familiar smell that inspires calm, evokes memories, and lets you know exactly where you are.
Every other breath you take is provided by the ocean, which supplies half of the entire planet’s oxygen. It is Earth’s life support system: it regulates our climate, feeds us and innumerable other species, and its health and well-being are critical to maintaining our own – yet we do not behave as though it is.

TAGS: Climate change, Water, Earth

Harder Winters, Stronger Storms: New Data Reveals Climate Change Might Be More Rapid than Predicted
Harder Winters, Stronger Storms: New Data Reveals Climate Change Might Be More Rapid than Predicted

https://www.weizmann-usa.org/news-media/news-releases/harder-winters-stronger-storms-new-data-reveals-climate-change-might-be-more-rapid-than-predicted/

May 26, 2022... REHOVOT, ISRAEL – May 26, 2022 – About 30 massive, intricate computer networks serve the scientists who stand at the forefront of climate change research. Each network runs a software program comprised of millions of lines of code. These programs are computational models that combine the myriads of physical, chemical, and biological phenomena that together form the climate of our planet. The models calculate the state of Earth’s atmosphere, oceans, land, and ice, capturing past and present climate variability and using the data to predict future climate change. These results are analyzed by leading research institutes across the globe, including the Weizmann Institute of Science, and then incorporated into the UN’s Intergovernmental Panel on Climate Change (IPCC) assessment report. Policymakers rely on the IPCC report when they form adaptation and mitigation strategies for climate change, one of our generation’s greatest crises.

TAGS: Environment, Climate change, Earth, Collaborations

A Sustainable Future: Our Vision
A Sustainable Future: Our Vision

https://www.weizmann-usa.org/news-media/video-gallery/a-sustainable-future-our-vision/

Sep 07, 2022... Researchers from the Weizmann Institute of Science — with their pioneering spirit and a profound sense of urgency — are working to achieve transformational scientific breakthroughs and forge a path toward sustainability with innovative solutions to global warming, alternative energy, conservation, carbon reduction, food security, and much more.

TAGS: Environment, Climate change, Water, Earth, World hunger, Alternative energy, Solar power

Israel to Allocate Hundreds of Millions of Shekels to Climate Crisis Research
Israel to Allocate Hundreds of Millions of Shekels to Climate Crisis Research

https://www.weizmann-usa.org/news-media/in-the-news/israel-to-allocate-hundreds-of-millions-of-shekels-to-climate-crisis-research/

Sep 09, 2022... The climate crisis, its effects and ways to prepare for it will become a central topic of research, as per the Council on Higher Education's upcoming five-year program.
Israel's Council of Higher Education will for the first time allocate hundreds of millions of shekels over the next five years for research into the climate crisis and sustainability, Haaretz has learned.
The council's upcoming five-year program, the main principles of which were formulated over the past few months, represents a major step forward for Israeli climate research — an area of study extremely lacking in resources, especially compared to the enormous investments and research in these academic fields in other countries.

TAGS: Environment, Climate change, Earth, Alternative energy

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