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16 results for Environment

Fight Climate Change: Plant a Tree
Fight Climate Change: Plant a Tree

https://www.weizmann-usa.org/blog/fight-climate-change-plant-a-tree/

Mar 02, 2020... Our new world order is particularly brutal for trees. Between climate change and economic greed, these lifegiving – and lifesaving – plants are not doing so well.
Besides well-known, large-scale devastations such as wildfires and deforestation (particularly of the Amazon, whose mighty forests are the reason the region is called – for now, anyway – the lungs of the planet), incremental changes are wreaking quieter, though no less devastating, impacts; for example, species native to the American South can no longer survive the warmer climate and so are spreading into cooler Northern climes. Behind them comes desertification.

TAGS: Culture, Environment, Climate change, Plants

Why the Future of Agriculture Lies in Israel’s Desert
Why the Future of Agriculture Lies in Israel’s Desert

https://www.weizmann-usa.org/news-media/in-the-news/why-the-future-of-agriculture-lies-in-israel-s-desert/

Mar 02, 2020... Farmers in arid areas of India need no convincing that the climate is changing under their feet. Their income is drying up along with their groundwater wells, forcing many to give up farming.
As these kinds of situations become more common, help is coming from Tel Aviv University's Nitsan Sustainable Development Lab directed by Ram Fishman, an expert on smallholder farmers and climate change.
His team assesses agriculture, water and energy problems in rural Asia and Africa and finds Israeli technologies to solve them.

TAGS: Environment, Climate change, Water

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

Israeli Researchers Discover Underground Cooperation Between Trees
Israeli Researchers Discover Underground Cooperation Between Trees

https://www.weizmann-usa.org/news-media/in-the-news/israeli-researchers-discover-underground-cooperation-between-trees/

Jul 01, 2020... Israeli researchers have discovered collaboration between trees deep in the ground, Weizmann Institute of Science (WIS) in central Israel said Wednesday.
In their study, WIS researchers found underground intricate networks of fungi connecting the roots of different tree species with one another.
These networks enable the trees to exchange of minerals, nutrients, water and carbon, while funneling carbon to the fungi in return.

TAGS: Environment, Plants, Earth, Evolution

A Damaging Storm's Nourishing Side
A Damaging Storm's Nourishing Side

https://www.weizmann-usa.org/blog/a-damaging-storm-s-nourishing-side/

Jul 13, 2020... Godzilla. Biblical. Historic. Muy malo. Even “new” (although it’s not; most people just haven’t heard of it).
This is the Saharan Air Layer – often given noms de guerre such as “African dust storm” – an approximately 5,000-mile-long, 2-mile-high plume of dust. It is a “phenomenon that develops every year off the coast of Africa,” writes Slate, “where powerful winds from thunderstorms over the Sahel can push the dust many thousands of feet up into the atmosphere.”

TAGS: Environment, 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

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

Finding Hope In – And For – Coral
Finding Hope In – And For – Coral

https://www.weizmann-usa.org/blog/finding-hope-in-and-for-coral/

May 11, 2021... In late 2020, a team of marine scientists investigating Australia’s Great Barrier Reef came across a remarkable sight: a “detached coral feature that rises from the seabed to a height of nearly one-third of a mile,” reported The New York Times. It is “the first large new element of Australia’s famous reef system to be identified in more than 120 years.”
Coral is, in many ways, our environmental canary in a coal mine. Sensitive to changes in acidity, temperature, currents, and the like, these animals are early warning systems of climate change and its damage. Until the new finding, it felt like news about coral ranged from “depressing” to “even more depressing.” For example, in spring 2020, scientists reported that over half of the Great Barrier Reef’s corals had died since 1995, largely due to climate change-induced mass bleaching.

TAGS: Environment, Earth

Humans caused extinction of 469 species of birds
Humans caused extinction of 469 species of birds

https://www.weizmann-usa.org/news-media/in-the-news/humans-caused-extinction-of-469-species-of-birds/

Aug 11, 2021... Over the last 50,000 years, humans have caused the extinction of 10-20 percent of all avian species, a new study reveals.
This includes at least 469 known species of birds, though the actual figure is believed to be much higher.
The study was led by Prof. Shai Meiri of the School of Zoology and Steinhardt Museum of Natural History at Tel Aviv University, and Amir Fromm of the Weizmann Institute of Science.

TAGS: Environment, Earth, Nature

Reaching new heights with Israel’s tallest trees
Reaching new heights with Israel’s tallest trees

https://www.weizmann-usa.org/news-media/in-the-news/reaching-new-heights-with-israel-s-tallest-trees/

Oct 23, 2021... When you find the time to walk on a trail through a forest, it can be breathtaking to look upwards to the top of a towering tree and feel so small by comparison. In fact, trees hold some of the most impressive records in the natural world with regard to their age and their height. And just like many natural and ecological marvels, a threat to highly valued trees creates a cause for concern as they are typically viewed as a unique mark of environmental pride.

TAGS: Environment

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