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   Trees for Humanity
planting & yardscape design

Jason McCarthy

Phone Icon (720) 329-9201

Monday – Friday, 8:00 a.m. – 6:00 p.m.
Saturday, 9:00 a.m. – 4:00 p.m.

Closed Sunday


Yin Yang Tree

Trees help reduce the effects of climate change

Trees absorb carbon dioxide (CO2), removing and storing the carbon while releasing the oxygen back into the air. In one year, an acre of mature trees absorbs the amount of CO2 produced by a car driven 26,000 miles. During one year, a mature tree will absorb more than 48 pounds of carbon dioxide from the atmosphere and release oxygen in exchange. Nearly 20 pounds of carbon dioxide are produced from burning one gallon of non-ethanol gasoline.

Trees are a good investment of our public dollars

Every dollar spent on planting and caring for a community tree yields benefits that are two to five times that investment—benefits that include cleaner air, lower energy costs, improved water quality and storm water control and increased property values.

Respect Your Mother

Tree with Earth on it

Trees provide much-needed cooling

One large tree can provide a day’s supply of oxygen for up to four people. More than 20% of the world’s oxygen is produced in the Amazon Rainforest 

Trees create an ecosystem to provide habitat and food for birds and other animals.

Trees absorb carbon dioxide and potentially harmful gasses, such as sulfur dioxide, carbon monoxide, from the air and release oxygen. One large tree can supply a day's supply of oxygen for four people.

Adopt Trees

Tree with Man Face

Trees are vital. As the biggest plants on the planet, they give us oxygen, store carbon, stabilise the soil and give life to the world's wildlife. They also provide us with the materials for tools and shelter.

Tree with Electrical Roots

Trees also help to reduce ozone levels in urban areas. Most importantly, trees sequester carbon, helping to remove carbon dioxide and other greenhouse gases from the air, which cools the earth. In fact, a mature canopy tree absorbs enough carbon and releases enough oxygen to sustain two human beings!

Advise from a Tree

A human breathes about 9.5 tonnes of air in a year, but oxygen only makes up about 23 percent of that air, by mass, and we only extract a little over a third of the oxygen from each breath. That works out to a total of about 740kg of oxygen per year. Which is, very roughly, seven or eight trees' worth.