Climate Smart Missoula

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  • Home
  • Who We Are
    • Our Story
    • Five Year Report
    • In the News >
      • Sustainable Missoula Column
      • Summer Smart News
    • Podcast >
      • Clear the Air
    • People + Partners
    • Jobs and Opportunities
    • Smarty Pants Awards
    • Blog
    • Contact Us
  • Adaptation
    • Overview
    • Summer Smart >
      • Active Fires
      • Hotter Days and Nights >
        • Shade
      • Drought and Low Flows
      • Shareable Products
      • Partners and Supporters
    • Wildfire Smoke >
      • HEPA Air Filtration
      • Improving Indoor Air Quality
      • Clean Air-Healthy Homes
      • Clean Air for Schools & Daycares
      • Pregnancy + Infants and Smoke
      • Older Adults and Wildfire Smoke
    • Resiliency Planning
    • Health and Climate >
      • Mental Health
    • Art and Humanities
    • Adaptation Resources
  • Mitigation
    • Overview >
      • 2015 Action Plan
      • Community Emissions Inventories
    • 100 % Clean Electricity
    • Solar >
      • Solar Ease
    • Buildings 4 the Future >
      • Electrify + B4F
      • Energy Smart
    • Transportation + Smart Growth >
      • Land Use Planning
      • Electric Vehicles
      • Electric Bikes
      • Electric Buses
    • Financing
    • Zero Waste
    • Mitigation Resources
  • Get Involved
    • Calendar >
      • Electrify Missoula spring series
    • Earth Month 2022
    • Connect >
      • Visualizing Climate
      • Climate Venn Diagram
    • Advocacy >
      • Building Codes
      • Cryptocurrency
    • Past Events
    • Clean Energy Expo
    • Volunteer Opportunities
    • Act, Advocate, Assist
    • Footprint Fund
  • The Science
    • Overview
    • Climate Justice >
      • Justice and Indigenous Knowledge
    • Localized Impacts >
      • Specific Local Impacts
    • What We're Doing
  • Donate

Climate Science Overview 

​Climate change affects human health, the flora and fauna we love, as well as the places that we call home.

​Whether through direct impacts, like changes in temperature or snowfall, or indirect impacts, like changes to an individual species' behavior or survival, climate change’s impacts are wide-reaching.
 The science behind climate change is the foundation of our work.
what does climate change mean?
Weather is day to day, month to month, short term changes in temperature and precipitation. While climate is long term changes in temperature and precipitation. The World Meteorological Organization describes climate using a minimum period of 30-year averages. 

Climate change is a global phenomenon that impacts us all. The US Global Change Research Program defines climate change as: "Changes in average weather conditions that persist over multiple decades or longer. Climate change encompasses both increases and decreases in temperature, as well as shifts in precipitation, changing risk of certain types of severe weather events, and changes to other features of the climate system." 
How is the climate changing in Missoula? 
Montana’s average annual temperatures have risen between 2.0 to 3.0°F between the years of 1950 and 2015.

By mid-century, Missoula temperatures are projected to increase by approximately 4 to 5°F, and by end-of-century, they are projected to increase by 5 to 8°F.

Further, in the state of Montana, the expected state-level temperature increases are larger than the average changes predicted globally and nationally.

While there is some natural variation in Earth’s climate (caused by things like ocean patterns and variations in the sun’s orbit) for the past 100 or so years, actions humans have taken have impacted Earth’s climate in a significant way.
​

These actions, like fossil fuel burning, have created a higher concentration of greenhouse gasses in Earth’s atmosphere which has created a rapidly changing climate.
What are some resources on Climate change?
At Climate Smart Missoula, we take a local, community-based approach to climate issues. If you’d like to learn more about how climate change impacts Missoula, Western Montana, and the Rocky Mountain West, click here.

​If you’d like to learn more about global or national climate, take a look at some of these resources: 
NASA: Global Climate Change
NOAA Climate 
EPA: Climate Change 
Yale Program on Climate Change Communication
Climate Central 

climate news 
2021 fire season may be worse than 2020

U.S. rejoins Paris Agreement on Climate Change 

Biden proposes "Civilian Climate Corps"

Biden makes new pledge for U.S. to cut 50% of greenhouse gas emissions by 2030

Ford releases all-electric F-150 Lightning

Free Cycles reopens

Nation's first offshore wind farm 

Missoula County adopts energy efficient building policy 

Montana Climate Solutions Council calls for carbon neutrality by 2050

​Senate Bill 379 stalls in committee 

Tester and Daines seek reauthorization of Keystone XL

Biden's 30 by 30 goal and Montana
More on the greenhouse effect
The greenhouse effect is a key component to our global climate, a process by which the atmosphere absorbs and radiates solar energy. It is an essential process that maintains temperature and allows for life on earth. However, it has been intensified by human activity and combustion of fossil fuels. ​​
HOW IT WORKS
  1. Short-wave radiation from the sun penetrates earth’s atmosphere.
  2. Short-wave radiation is reflected from earth as long-wave radiation.
  3. Long-wave radiation is absorbed by greenhouses gases in the atmosphere
  4. Heat is re-emitted back to earth’s surface
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There are four main greenhouse gases: carbon dioxide (CO₂), methane (CH4), nitrous oxide (N2O), and ozone (CFC's). All come from combustion of fossil fuels such as coal, oil, and natural gas. ​

Since the 1750’s, atmospheric concentration of greenhouse gases have increased by 40%, 20%, and 150%, respectively, to levels that are unprecedented in at least the past 800,000 years (Intergovernmental Panel on Climate Change 2014). For comparison, an equivalent natural increase in greenhouse gases during the end of the past ice age took over 5,000 years.

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