City of Thornton

is committed to respecting and preserving the earth and its environment for future generations. To do its part, the city of Thornton has implemented a number of measures to increase the efficiency of its facilities and systems. To learn more about what Thornton is doing to lighten its impact on the environment, please click on the globe icon below.

Thornton makes many valuable services available to its residents and businesses to assist them in making environmentally responsible choices. Thornton also partners with a variety of agencies in the area to provide additional information and valuable services. If you are a resident or represent a business located within Thornton, please select the appropriate button below.

Thank you for choosing to help make Thornton sustainable!

World in hands

Tree Branch/Limb & Compost Drop-off


Tree Branch/Limb & Compost Drop-off
On specified Saturdays, Thornton residents may bring their tree branches, limbs, and compost materials to the IMC. Restrictions and limitations apply. Proof of residency is required. For more information go to Learn more.

Cool News?


Xcel's Clean Energy Vision
"Xcel Energy, a national leader in renewable energy, rolled out a clean energy vision today in Denver that will deliver 100 percent carbon-free electricity to customers by 2050. As part of this vision, the company also announced plans to reduce carbon emissions 80 percent by 2030, from 2005 levels in the eight states it serves. The new goals are the most ambitious announced to date within the electric power industry." - Business Den
Learn more.