11 facts about coast redwoods, the tallest trees in the world

Melissa Breyer August 29, 2017 Sturdy, stalwart, and superlatively statuesque, California’s coast redwoods stand out as some of the most impressive organisms on the planet. Before the 1850s, coast redwoods (Sequoia sempervirens) luxuriated amongst some 2 million acres of California’s coast, stretching from south of Big Sur to just over the Oregon border. One of three members of the Sequoioideae …

Is the Amazon vulnerable to a ‘dieback’?

Indigenous people say the rainfall has changed. And “the models, and they’re pretty consistent. They suggest that the combination of fire and climate change and deforestation will weaken the hydrological cycle of the Amazon to the point where you just get insufficient rainfall in the south and the east, and then part of the central Amazon, to actually support a …

Do Plants Have Something to Say?

One scientist is definitely listening. Monica Gagliano, all ears in Central Park.CreditCreditGeorge Etheredge for The New York Times By Ellie Shechet, Aug. 26, 2019 Monica Gagliano says that she has received Yoda-like advice from trees and shrubbery. She recalls being rocked like a baby by the spirit of a fern. She has ridden on the back of an invisible bear conjured by an osha root. …

Rising water stress will affect plants: if the water potential and vapor pressure are larger in the atmosphere – water will dissipate faster and stronger from soil and plants

The increased growth rate of plants seen worldwide in response to rising CO2 levels – a phenomenon known as “global greening” – could be stalled by growing water stress, a study finds. Global warming is driving changes to water vapour levels, the research finds, which could, in turn, be affecting the rate of plant photosynthesis – the process underpinning plant growth. Article …

The Wisdom of Trees: Walt Whitman on What Our Silent Friends Teach Us About Being Rather Than Seeming

A supreme lesson in authenticity from a being “so innocent and harmless, yet so savage.” BY MARIA POPOVA “When we have learned how to listen to trees,” Hermann Hesse wrote in his lyrical love letter to our arboreal companions, “then the brevity and the quickness and the childlike hastiness of our thoughts achieve an incomparable joy.” Two generations earlier, a different titan of poetic …

How can cities consider mental health in green space planning?

By Jason Plautz@Jason_Plautz in Smart Cities Dive, July 25, 2019 A new paper from an international team of researchers says that cities should consider mental health benefits as they plan nature spaces in cities. The paper, published Wednesday in the journal Science Advances, offers a framework for cities to incorporate and measure mental health benefits from parks, tree plantings and other green spaces.  “In …

Deforestation of the Brazilian Amazon has surged above three football fields a minute, causing endangerment of people, land, and Earth

The Guardian, 26 July 2019 Deforestation of the Brazilian Amazon has surged above three football fields a minute, according to the latest government data, pushing the world’s biggest rainforest closer to a tipping point beyond which it cannot recover. The sharp rise – following year-on-year increases in May and June – confirms fears that president Jair Bolsonaro has given a green light to …

Each degree of warming causes way more fire than the previous degree of warming did: California’s Wildfires Are 500 Percent Larger Due to Climate Change. Current emissions path would wipe out forests.

“Each degree of warming causes way more fire than the previous degree of warming did. And that’s a really big deal,” Park Williams, a climate scientist at Columbia University and an author of the paper, told me. Every additional increment in heat in the environment speeds up evaporation, dries out soil, and parches trees and vegetation, turning them into ready …

Boreal forest is 30% of forest on Earth Jaymi Heimbuch June 6, 2019, TreeHugger.com Welcome to almost 30 percent of the world’s forest cover. The boreal forest is the world’s largest land-based biome. Spreading over continents and covering many countries, the boreal plays a significant role in the planet’s biodiversity and even its climate. Here are 30 facts you want …