Natural resource conservation:

Homeowners can “grass cycle” by leaving grass clippings on the lawn when moving. The clippings quickly decompose and release valuable nutrients back into the soil to feed the grass, reducing the need for nitrogen by 25 to 50 percent. Modern mulching lawn movers make “grass cycling” even easier, and homeowners can reduce their moving time by 30 to 40 percent by not having to bag clippings.

Improved Air Quality:

Trees, shrubs and turf remove smoke, dust and other pollutants from the air. One tree can remove 26 pounds of carbon dioxide from the atmosphere annually, equalling 11,000 miles of car emissions. One study showed that one acre of trees has the ability to remove 13 tons of particles and gases annually. 2,500 square feet of turf absorbs carbon dioxide from the atmosphere and releases enough oxygen for a family of four to breathe.

Negative Effects:

Despite all the potential environmental benefits of preserving parks and open lands, they can actually cause some secondary and tertiary negative effects.

Parks, like any major attraction, may draw people from a large catchment area, resulting in many driving from far distances. Preserved lands or parks may be located in such a way that causes drivers to take a longer, convoluted route to their destinations. Therefore, it is important to take this into consideration when making land use decisions.

Plants can prevent floods, droughts, and soil erosion and in ecopsychology and practical regeneration they landscape after natural and human disasters.

Provide important wildlife habitats:

Plants feed us, medicate us, produce fuel, fabric and useful products but are just as valuable in their creation of natural habitats and preservation of biodiversity. Wild and manicured urban gardens maintain biodiversity in cities and towns.

They clean run off water that enters the water table and they can be utilized in reed bed systems to filter grey water for reuse around the home and even to recycle water for consumption.

Plants Help modulate greenhouse gases via transpiration and other processes. By growing plants and trees on top of a landfill, a process known as ‘Phyto capping’, seriously reduces the production and release of methane and carbon gases.

If we increase our tree cover in towns and cities by just 10%, we can keep surface temperatures at current levels despite climate change. Maintain an Eco balance in everything.

Trees and woodland are a core part of our urban green infrastructure. Their powerful cooling effect is thanks to their ability to provide shade as well as the ‘evaporative cooling’ that takes place as they breathe.

There are no technical barriers to going the extra 10%, it is solely a question of political will. This is why The Mersey Forest is committed to engaging as many partners as possible to work together to achieve this vital target.


Studies have shown that there are direct links between noise exposure and health. A Danish study Long-Term Exposure to Road Traffic Noise and Incident Diabetes found that long-term exposure to traffic noise was associated with cardiovascular disease and a positive association between long-term exposure to road traffic noise at the residence and the risk of incident diabetes.



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