Tag Archives: #SLCgreen

Inversion season is here! What can we do?

November 1 is the official start of inversion season along the Wasatch Front and it certainly feels like winter is settling in around us!

But what exactly is an inversion? This natural phenomenon occurs when a high-pressure system is setting up, trapping cold air on the valley floors with warmer air above it. This warm air also traps all our pollution with the cold air, keeping it contained in the valley until the inversion breaks.

What causes an inversion?

Meteorologists on the news and the Utah Division of Air Quality will warn you in advance before an inversion happens. Here are some signs that you can keep a look out for:

Calm winds: this reduces the natural mixing of air temperatures.
Clear skies: this increases the rate of cooling for air close to the ground.
Long nights allow the cooling of the ground to continue over a longer period of time, resulting in a greater decrease in temperature near the surface.
The sun is lower on the horizon during the winter, so it supplies less warmth to the earth’s surface and more to the atmosphere.

In Utah, our inversions often occur right after snowstorms due to the increase in cold air near the ground and the clear skies warming up the upper atmosphere and acting as a lid to the cooler air below.

Inversions are meteorological events that are common in mountain/valley geographies with our weather patterns. When you pair inversions with human activity, you often wind up with pollution that sticks around. Here along the Wasatch Front, a significant source of pollution comes from transportation(roughly 50%), as well as our homes and buildings (roughly 35%). That means each of us can make a difference to our air quality.

What can you do?

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Waste is Spooky! Here’s Some Tips for a Sustainable Halloween

It’s almost Halloween- a holiday of costumes, candy, and decorations! But can we do that sustainably? We sure can and we’re here to give you some fun, helpful ideas!

Decorations

Decorations can create a lot of waste with items that we don’t always reuse. Similar to other holidays, invest in decorations you can use year after year, or create decorations using items you already have! Check out these ideas for decorations we made using stuff from around the home. And don’t forget, you can compost your pumpkins after the festivities as long as there’s no wax or paint on them!

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Here are some other ideas from when the SLCgreen team decorated our office, sustainably, a few years ago.

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Salt Lake City and Santa Fe join Boulder County and the City of Flagstaff to tackle climate crisis through regional partnership

PRESS RELEASE: October 5, 2022

A trailblazing partnership of local governments will soon pool resources to fund carbon dioxide removal (CDR) projects in the Four Corners region. The 4 Corners Carbon Coalition (4CCC), established by Boulder County, Colorado and the City of Flagstaff, Arizona, today welcomed Salt Lake City, Utah and Santa Fe, New Mexico. Earlier this year, Boulder County and Flagstaff invested seed funding to launch this coalition with the goal of spurring regional CDR innovation to fight climate change. The coalition will provide catalytic funding to accelerate CDR project deployment and business development.

CDR describes diverse processes, on land and at sea, that take carbon dioxide out of the atmosphere, and durably lock it away in geological, biological and synthetic formations for decades, centuries, or even millennia. According to the United Nations Intergovernmental Panel on Climate Change (IPCC), cutting emissions from fossil fuels is necessary, but it’s no longer sufficient to stem the worst effects of climate change.

Graphic provided by U.S. Department of Energy

“We’re so excited to round out the ‘Four Corners’ vision with two cities that recognize the importance of local leadership,” said Flagstaff Mayor Paul Deasy. “This collaboration gives local communities the opportunity to put our fingerprints on this emerging and necessary space of carbon dioxide removal (CDR); to hold ourselves and our partners to the highest standards; to show what community-based CDR might look like and the potential benefits of supporting vetted projects in our backyards.”

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Introducing Salt Lake City’s Harrison Community Garden!

Last month, we celebrated the opening of the Harrison Community Garden with Mayor Erin Mendenhall, Council Member Darin Mano, Wasatch Community Gardens, and the Salt Lake City Public Lands Department. Located along 700 East at Harrison Avenue, just south of Liberty Park, the newest addition to Salt Lake City’s family of community gardens provides plots for as many as 50 gardeners to grow vegetables.

This is the eighth active garden in Salt Lake City boundaries established under our Green City Growers program, which identifies vacant or under-utilized City property with access to a water line and other conditions that support a successful and sustainable community garden. The City partners with local non-profit Wasatch Community Gardens to manage and run the gardens on Salt Lake City property through this program.

Every community garden is a labor of love, but the Harrison Garden overcame multiple obstacles to ultimately receive funding from the City’s Capital Improvement Program (CIP) to make it a reality. (Pssst… community applications are due Sept. 30, 2022 for the next round of CIP funding).

Community gardens are more than just for the growers!

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It’s Really Hot Out Here, So Let’s Go Plant Some Trees

Mayor Erin Mendenhall planting a tree in 2021 as part of her 1,000 Trees Initiative.

After the intense heat experienced by many of us this summer you probably wouldn’t be surprised to learn that this past July was Salt Lake City’s warmest one yet and the heat wave is continuing with us as September begins.

But did you know that Salt Lake County’s summer days are abnormally hotter than those in nearby rural areas? Our culprit is referred to as the urban heat island.

What is the Urban Heat Island?

Urban heat islands occur as the built environment of a city attracts heat and prevents it from being released by covering up naturally absorbing sources. For example, grass absorbs heat but covering it with concrete for a sidewalk that attracts warmth will make the city hotter. Researchers have found that the cumulative effect of all these heat-attracting sources results in cities being up to 17 degrees hotter than surrounding areas! Research conducted by the University of Utah used temperature monitors throughout the valley to measure our urban heat index. This research discovered that our parks with grass and shade are two degrees cooler than nearby residential neighborhoods.

The benefits that shady parks and park strips provide in reducing the urban heat island are just one of the reasons that Salt Lake City places an emphasis on maintaining them. The important role tree cover plays in reducing heat is evident when looking at the images of Salt Lake City below. The map on the left shows the Urban Heat Island Effect by noting how much hotter it can be in that area. The darker the red the hotter it is. The map on the right shows the percentage of tree cover canopy in the entire neighborhood. The darker the green, the more canopy cover in the neighborhood. When comparing the two images it becomes evident that when there are more trees, the urban heat index is lower.

Additionally, the image below provides another useful visual to understand what the Urban Heat Island Effect looks like in Salt Lake City. The image, taken from satellite by NASA, shows 300 West to the Wasatch Foothills. The image, taken on a hot summer day, demonstrates the Urban Heat Island Effect in action. Orange, red, and yellow indicate hot areas and blue and green illustrate the cool areas. With this in mind, it becomes clear that areas with less vegetation are the hottest. For example, Liberty Park, which is near the bottom left-hand corner, is very blue on the map indicating that it’s cool.

How can you reduce heat and contribution to the urban heat island?

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Getting to Know You: Ground Level Ozone

by SLCgreen intern Emalee Carroll

As Salt Lake City residents we are well acquainted with air pollution, but do we know what’s in it? With the Clear Air Challenge happening over the summer, we at SLCgreen wanted to take some time to provide a rundown on some of the different types of air pollution in Salt Lake City, what you can do about it, and what the city is currently working on and has done to make a difference!

What is Ground Ozone?

As we enter the thick of summer and all the fun outdoor activities that come with it, let’s break down a major summertime pollutant – ground level ozone. Ozone gas is naturally occurring in our atmosphere, helping to protect us from harmful UV radiation. However, ozone is not found naturally at ground level. Rather, the gas is known as a “secondary pollutant” meaning it’s created through a series of reactions between compounds in the air. This process is facilitated by heat and sunlight which is why ozone levels are typically higher in the summer months.

How does Ozone Affect SLC residents?

Like PM 2.5, studies have shown ozone also has adverse impacts on respiratory health. Ozone gas can reach deep into our lungs, damaging cells like a sunburn would, and trapping air in the alveoli. This process can cause coughing, throat irritation, chest pain, and congestion. Additionally, ozone can aggravate respiratory diseases such as asthma, COPD, and chronic bronchitis.

Aside from harming the health of Salt Lake residents, ozone can also negatively impact local ecology. When ground-level ozone enters the membranes of leaves, it reduces the ability of the plant to photosynthesize sunlight, slows growth, and ultimately weakens the organism. In extreme circumstances, this can lead to a loss of trees and other plants, which affects both the quality of life in urban settings, as well as the health of the overall ecosystem and animals that rely on those plants for food.

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Choose to Refuse! Plastic Free July is here!

If you’ve been looking for the sign to finally make the change, now is the perfect time to drop those pesky single-use plastics once and for all – Plastic Free July is here!

Plastic Free July began as a small project based in Australia but has turned into a global movement of people who are committed to cutting out single-use plastics from their lives to stop plastic pollution and save the planet. “Plastics” refers to a wide range of synthetic materials that can be molded and shaped into a variety of flexible and stiff byproducts. Believe it or not, there’s plastics in our chewing gum, skin care products, and even our clothes!

Since 2011, Plastic Free July has empowered consumers to reduce their reliance on single-use plastics by sharing educational resources and encouraging people to come up with creative ways to reduce plastic usage at the source, reuse any plastics that can be used more than once, and properly recycle what can be recycled!

Why is Plastic Free July Important?

In 2021, the planet reached a total estimated number of 363,762,732,605 pounds of plastics across all the oceans. Plastics are one of the most prevalent pollutants across the globe, polluting waterways, habitats, and damaging the health of ecosystems and humans alike. Many durable plastics will take up to 400 years before they will breakdown.

While recycling has helped make a dent in our plastic waste, the overarching goal is to reduce consumption.

Some plastics, like laundry detergent containers and milk jugs, are highly-desirable plastic products for recycling. However, other items like straws, plastic bags, and other flexible packaging, are harder to recycle, and often end up being a burden to consumers trying to properly dispose of them. Making some easy switches to eliminate unnecessary plastic waste at the source is an amazing way to start building a world without plastic waste and practice sustainability.

(We recognize that the problem of plastic waste is not just a consumer issue; in fact — it’s much more systemic and related to the way corporations make products and the laws governing those practices. This is why Salt Lake City has signed on as an activator to the U.S. Plastics Pact. But while we work for larger, systemic change, we can also take matters into our own hands as consumers and reduce single-use plastics, where possible, in our own lives).

How Can I Participate in Plastic Free July?

One of the easiest ways to get involved is to take the Plastic Free July Challenge! By registering for the challenge, you’re joining a community of people who are committed to reducing plastic pollution. You will also receive email updates with tips, tricks, and stories to help you keep your plastic free promise.

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Mayor Mendenhall expands Air Quality Action Program for all City employees

PRESS RELEASE: June 30, 2022

As part of her commitment to improving air quality, Salt Lake City Mayor Erin Mendenhall has expanded a program urging eligible employees citywide to telework and take other actions to reduce air pollution on mandatory air quality action days, as forecast by the Utah Division of Air Quality (DAQ).

“Driving is still the number one source of pollution during both the summer and winter months when air quality is at its worst, so this is one of the most important behavioral changes we can make,” said Mayor Mendenhall. “I encourage other employers across the Wasatch Front to join us in implementing a similar program with their workforces and commend those who already do this.”

The Mayor launched the Air Quality Action Program this past winter to a smaller group of employees. With the initial pilot proving successful, beginning July 1, all City employees will now receive automatic emails when the Division of Air Quality forecasts a “mandatory action day,” meaning the concentration of air pollutants measured in Salt Lake County are predicted to reach or exceed levels of air pollution that are unhealthy for sensitive groups.

The City’s Sustainability Department designed the program notifications and communications, while the Information Management Services Department created a custom script and email that automatically pulls the forecast from DAQ’s website and notifies employees. The City’s program is similar to one the State of Utah also implements.

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It’s Bike Month!

At SLCgreen, we love biking for many reasons! Not only is choosing to commute with a bike better for human health, it’s also super beneficial to the environment (which also relates to our health).

This week, celebrate Bike Month by joining us on Mayor’s Bike to Work Day!

When: Wednesday, April 17th at 7:30am

Starts: Allen Park

Ends: City & County Building

Why do we love bikes?

Moving into the summer months it’s important to remember that air quality is still an issue. As we commute around the city, to work, festivals, and/or the farmer’s market, biking provides an environmentally friendly alternative to single occupancy vehicles. In the summer, pollution from cars, industry, and a multitude of chemical products, combined with high temperatures and bright sunshine, lead to harmful ozone levels.

Choosing to ride a bike is a great way to personally reduce your impact on climate change and help reduce air pollution!

International Compost Week 2022!

Did you know that last week was International Compost Week? This year’s theme is Recipe for Regeneration: Compost which means focusing “on the crucial role recycling our food scraps and yard trimmings plays by creating compost, which when added to soil results in a recipe that makes our food more nutritious, the air we breathe cleaner and our climate healthier overall.” Last week, from May 1 – May 7, we celebrated everything compost!

Composting is the most local form of recycling. By taking our food scraps and turning them into compost at our local Salt Lake Valley Landfill and then returning them to our yards and gardens to produce healthy and beautiful plants, we create a closed loop! The landfill is located at 6030 W. California Ave. (1300 S.), Salt Lake City , UT 84104 and is open Monday through Saturday from 7am to 5pm. If you have questions, you can contact the landfill at 385-468-6370.

Why Compost?

Prevents soil erosion- Composting prevents erosion by binding soil together, increasing infiltration, and slowing the surface flow of water.

Manages stormwater- Compost helps to control water flows on and through soil, thereby proving to be a capable tool for stormwater management.

Promotes healthier plant growth- Compost balances soil density, adds and retains nutrients, and discourages disease, pests and weeds.

Conserves water- Compost retains and efficiently transfers water through the soil, allowing surrounding plants to maximize water for growth. This in turn saves you money by minimizing the amount of irrigation you will have to provide to your project!

Reduces Waste- Compost is generally made from waste (food scraps, yard waste, organic byproducts, etc) that is diverted from landfill flows. This reduces the amount of waste going to landfills and it upcycles those materials into a productive, environmentally beneficial product.

Combats climate change- Composting cuts down on greenhouse gases entering the atmosphere and makes ecosystems more resilient to rising temperatures. .

Reduces project management costs- Compost promotes healthy plant growth, thereby reducing mortality and subsequent replacement costs. Additionally, compost promotes drought resistance which lowers artificial irrigation costs.

Improves soil health- Compost adds nutrients and soil biota, and improves the biological, chemical and structural health of soils.

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