published Oct 2000
The goal is to engineer more physical activity into American life to reduce both spreading obesity and the chronic, often lethal health problems linked to sedentary living.
published May 2003
This planning effort directs the development of goals and action plans to meet the future needs in advance of their demand.
published Jul 2001
A Prospective Study of Physical Activity and Cognitive Decline in Elderly Women: Women Who Walk
published Oct 2014
by
Massachusetts Department of Conservation and Recreation
The health and happiness of people across Massachusetts depend on the accessibility and quality of our green infrastructure - our natural resources, recreational facilities, and great historic landscapes.
published Jan 2007
by
National Park Service
This Guide to Sustainable Mountain Trails: Assessment, Planning & Design Sketchbook, 2007 Edition, has its roots in the foundational policies and ethics of federal conservation and preservation land management agencies such as the United States Forest Service and the National Park Service, and in the spirit of nonprofit agency partnership support for land management agency stewardship initiatives.
published Jan 1991
by
Hugh Duffy with National Park Service
This article introduces the criteria of maximum profile grade relative to the existing cross slope (fall line) as key to the development of natural surface trail projects that are sustainable. Key trail design concepts excerpted from trail documents are presented in this article.
published May 2012
by
National Park Service
A document providing the basis for the most sustainable backcountry trail for all trail types with the least impact to natural, historic, cultural and aesthetic resources.
published Dec 2006
by
Trails for All Ontarians Collaborative
The Ontario Trails Strategy describes our vision for trails in Ontario and recognizes the many benefits of trails for health and prosperity and highlights the importance of environmental protection.
