The first large-scale study of mountain lion numbers in California has been completed by scientists from the California Department of Fish and Wildlife (CDFW); the nonprofits Audubon Canyon Ranch and the Institute for Wildlife Studies; University of California, Santa Cruz; and University of California, Davis.
The population estimate of between 3,200 and 4,500 cougars is much lower than the CDFW’s decades-old estimate of roughly 6,000, reported the Los Angeles Times.
“That old figure was just a back-of-the-envelope calculation without much data to support it,” said Justin Dellinger, large-carnivore biologist and California Mountain Lion Project lead, as the Los Angeles Times reported. “The new, more accurate information we collected will be used to conserve and manage mountain lions more appropriately.”
The scientists used a variety of methods in gathering the population data — including setting camera traps, taking scat samples and tranquilizing the big cats and fitting them with GPS tracking collars. They followed their tracks through canyons, the Mojave Desert and the Sierra Nevada Mountains.

A mountain lion walking in the snow. California Department of Fish and Wildlife
The more accurate and up-to-date population estimate is important for making land-use decisions that take into account the large mammals’ need for a wide geographic range to find prey and mate.
Mountain lions have the largest range of any carnivore in the western hemisphere — all the way from the Canadian Yukon down to southern Chile, the CDFW website said. The majestic panthers have become increasingly threatened as development and freeways have destroyed, fragmented and bisected their native habitat.
“Humans are the number-one cause of death for California mountain lions,” the Center for Biological Diversity website said. “Lack of connectivity due to decades of extending roads and development into mountain lion habitat, with little regard for the animals’ movement needs, is causing their demise. This has led to high levels of inbreeding and genetic isolation, about 100 car strikes annually throughout the state, and increases in human conflict.”
Dellinger said the greatest population density of cougars in the state is in northwest coastal forests, with the lowest numbers reported in the Sierra Nevada’s high desert, according to the LA Times. Dellinger added that there were no mountain lions in parts of the Mojave Desert or the Central Valley.
Nearly 40 million California residents are living within or next to cougar habitat.
The research team spent approximately $2.45 million over seven years and came up with three population estimates: two suggesting there are roughly 3,200 cougars in the state and the other saying the number is 4,511, Dellinger said.
Biologists who review the census report will decide which of the estimates is most accurate.
“There’s never been a study of this scale and over such a large and diverse geographical area with such a variety of habitats,” said Winston Vickers, one of the study’s co-authors and a UC Davis Wildlife Health Center veterinarian, as the LA Times reported.
While cougars are not listed as endangered, they were recently given extra protection in six regions of California by the state’s Fish and Game Commission. On April 15 there will be a vote on whether to list them under the Endangered Species Act.

A mountain lion kitten runs in the snow in California. California Department of Fish and Wildlife
If mountain lions are listed as endangered, no highways would be permitted to be built or expanded by the California Department of Transportation without adequate measures being taken to guarantee safe passage and habitat linkages, the LA Times reported. Large-scale commercial and residential development could also be limited or prohibited within their habitats.
The largest wildlife crossing in the world — the Wallis Annenberg Wildlife Crossing — is currently being built over a ten-lane portion of Highway 101 near Liberty Canyon.
“We look forward to getting mountain lions the protection that is clearly warranted and desperately needed,” said Brendan Cummings, conservation director for the Center for Biological Diversity, as reported by the LA Times.
The post California Mountain Lion Population Is Thousands Fewer Than Previously Estimated appeared first on EcoWatch.
https://www.ecowatch.com/mountain-lion-population-california.html
Green Living
Earth911 Inspiration: Time Is but the Stream
Thoreau wrote in Walden that “Time is but the stream I go a-fishing in,” which reminds us that life is short and nature fills it beautifully. What are you looking for that can’t be found during an afternoon in nature?
Earth911 inspirations. Post them, share your desire to help people think of the planet first, every day. Click the poster to get a larger image.
The post Earth911 Inspiration: Time Is but the Stream appeared first on Earth911.
https://earth911.com/inspire/earth911-inspiration-time-is-but-the-stream/
Green Living
Classic Sustainability In Your Ear: The Ocean River Institute’s Natural Lawn Challenge for Climate Action
Turn back the clock with this classic interview that will get you ready for Spring yard care planning. A lawn may be beautiful but it can take a heavy toll on the environment, accounting for between 30% and 60% of residential water use in the United States. Rob Moir, Ph.D., is president and executive director of the Ocean River Institute in Cambridge, Massachusetts. ORI works with residential lawn owners to heal damaged ecosystems by restoring coastal areas to lessen the destructive impacts of climate change. The benefits of a natural lawn reach far beyond reduced local water pollution, eliminating chemicals that can contribute to cancers, diabetes, Alzheimer’s disease, and other cellular diseases. Natural lawns are also better for local pollinators and store much more carbon than heavily fertilized lawns. If you considered removing your lawn to play a part in the battle against climate change, this interview may change your mind — a healthy lawn is a powerful carbon sink.

The Ocean River Institute is recruiting Massachusetts communities, town by town, to take a pledge to follow natural lawn practices in the Healthy Soils for Climate Restoration Challenge. You don’t need to live in Massachusetts to participate and learn about the alternatives to the traditional, chemical-intensive lawn practices that use Roundup, a source of glyphosates that kills soil-dwelling fungi and local pollinators, and fast-acting nitrogen fertilizers. You can learn more about the Ocean River Institute at www.oceanriver.org.
Rob has contributed many articles about climate change and the history of environmental change since this interview, including:
- Finding a Northwest Passage to the Sea
- Turning the Tide—How Land and Water Shape Our Climate Future
- Learning from Captain Scoresby’s Ten-gallon Fir-Cask
- Earth Savvy?
- Let the Ground Keep Falling Rainwater
- The Sultans of Swag Versus Looking at Clouds from Both Sides Now
- Subscribe to Sustainability in Your Ear on iTunes and Apple Podcasts.
- Follow Sustainability in Your Ear on Spreaker, iHeartRadio, or YouTube
Editor’s Note: This episode originally aired on May 30, 2022.
The post Classic Sustainability In Your Ear: The Ocean River Institute’s Natural Lawn Challenge for Climate Action appeared first on Earth911.
https://earth911.com/podcast/earth911-podcast-the-ocean-river-institutes-natural-lawn-challenge-for-climate-action/
Green Living
7 Best Sustainable Wedding Dresses for Your Special Day
Choosing your perfect gown can be one of the most exciting decisions for your special day, but for the eco fashionista, it can be a challenge to find a dress that fits your values and style — but these brands have exceptional sustainable wedding dresses you’ll swoon over!
Using earth-minded materials like hemp, cruelty-free peace silk, deadstock recycled fabrics and vintage lace, and producing consciously, either in small batches or handcrafting each individual piece made-to-order, the brands below meet high standards for transparency, ecological sustainability, and fair labor.
[For more sustainable wedding dresses, check out this guide to secondhand wedding dress sites!]
Note that the guide contains affiliate links. As always, we only feature brands that meet strict criteria for sustainability we love, that we think you’ll love too!
1. Christy Dawn

Dreamy dress brand Christy Dawn does not disappoint with their romantic bridal collection! Each piece is more swoon-worthy than the next.
Their three sustainable bridal gowns are made from regenerative silk charmeuse —sourced through BOMBYX, an innovative silk producer using best practices — and colored in a beautiful pearl silk with non-toxic dyes. Each dress is ethically cut and sewn by makers in Los Angeles earning living wages, as with the rest of Christy Dawn’s collections.
The Britta Dress and Fitzgerald Dress are 1920s inspired while the Athena Dress is a more modern (but equally romantic) option. All of these dresses are made-to-order with an estimated timeline of 4 weeks.
Conscious Qualities: Regenerative silk and organic non-toxic dyes, ethically made-to-order in Los Angeles
Price Range: $2,500 – $3,000
Size Range: XS – XL
2. Pure Magnolia

Blending the traditional with the modern, Pure Magnolia designs classic-inspired sustainable wedding dresses with contemporary touches. And each dress is made in their Canadian studio by seamstresses earning fair wages from eco-fabrics, such as organic cotton and hemp silk.
The brand sources recycled fabrics whenever possible as well, and recycles their scrap fabric through FABCYCLE.
Conscious Qualities: Eco-friendly fabrics, locally and fairly made, recycles scrap fabrics
Price Range: $845 – $3,300 CAD
Size Range: 0 – 28
3. Lost in Paris

Lost in Paris crafts each of their creatively designed bohemian-inspired gowns ethically in their Sydney, Australia studio. Unconventional yet undeniably striking, Lost in Paris’ dresses are made from vintage lace and cotton.
Investing in a dress from Lost in Paris is seamless — the brand offers at-home sample try-ons, offers train and sleeve adjustments on several styles, ships their dresses worldwide for free, and even accepts returns. Oh, and, if one of their ready-made sizes doesn’t work for you, you can get a dress designed to your measurements.
Conscious Qualities: Made-to-order model, uses vintage lace, locally made
Price Range: $950 – $3900 AUD
Size Range: XXS – XXL + custom sizing options
For More Slow Fashion Content:
4. Wear Your Love

Wear Your Love creates feminine, effortless dresses in their Northern California studio that are — in contrast to the majority of wedding dresses on the market — actually comfortable! The brand’s free-spirited designs are made with soft, earth-minded fabrics like organic cotton and each dress is made to order for each bride to their exact measurements.
There are also customizations available for each eco-friendly wedding dress such as train or no train, skirt or sleeve linings, back coverage, skirt style, and more.
Conscious Qualities: Eco-friendly fabrics, made-to-order model, locally and transparently made
Price Range: $680 – $1,700
Size Range: N/A; dresses are made to your measurements
5. Larimeloom

Based in Reggio Emilia, Italy, Larimeloom crafts exceptional custom-made dresses by hand in their atelier. The brand creates comfortable minimalist dresses from durable natural fabrics and colors them with natural or non-toxic dyes.
Larimeloom has also implemented zero waste design techniques, cutting their patterns strategically in order to minimize fabric waste.
Conscious Qualities: Made-to-order model, zero-waste designs, natural fabrics and dyes
Price Range: 650€ – 2,650€
Size Range: XS – XL
6. Sister Organics

Sourcing quality earth-friendly natural fabrics like organic hemp and cotton, Sister Organics creates classic, eco-friendly wedding dresses for UK-based brides.
Each dress is made to order in England, so you can select a pre-defined size, customize the length of a size, or get an entirely different dress made for your measurements.
Conscious Qualities: Eco-friendly fabrics, made-to-order model
Price Range: £125 – £390
Size Range: XXS – XXL + custom sizing
7. Indiebride London

Indiebride’s vintage-inspired sustainable wedding dresses are delicate and romantic yet free-spirited, offering a unique collection for the bride that wants to skip the conventional wedding gown and choose a piece that fits their individual style.
The brand’s conscious wedding dresses are handmade in London using majority natural fibers and can be altered or customized to your specifications.
Conscious Qualities: Made-to-order model, uses many natural fabrics, locally made
Price Range: £1,200 – £1,700
Size Range: 8 – 16 (UK sizes)
More Resources For Your Eco Wedding:
10 Secondhand Wedding Dress Sites for the Eco Bride
7 Ethical Lab-Grown Diamond Engagement and Wedding Rings
17 Brands with Conscious Dresses (great options for bridesmaid dresses in here!)
The post 7 Best Sustainable Wedding Dresses for Your Special Day appeared first on Conscious Life & Style.
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