1. Appeasing the Mountain Bikers
   Resource Type: Article/Report/Letter
   Published: 2001
   Just because someone is able to purchase a machine that lets them ride off-road, that is no reason that the public should be required to provide them a place to use it.
2. Defending the Oldman River
   A conversation with Milton-Born-With-A-Tooth
   Resource Type: Audio
   Published: 1992
   About the defence of the Oldman River in Alberta.
3. Earth Day Canada
   Media Profile in Sources
   Resource Type: Organization
   
4. Ecodefense
   A Field Guide to Monkeywrenching. Second Edition
   Resource Type: Book
   Published: 1987
   
5. Ecological Imperialism
   The Biological Expansion in Europe, 900-1900
   Resource Type: Book
   
6. Gute Argumente: Verkehr
   Resource Type: Book
   Published: 1990
   Informiert anschaulich and sachlich über die Grundlagen des Verkehrssystems, über the Hintergründe der auto-orientierten Gesleeschaft und uber unweltschonende und wirtschaflich vorteilhafte Alternativen.
7. How You Can Help Make A Difference
   Resource Type: Article/Report/Letter
   Published: 1989
   Your actions can make a difference. There are a host of things you can do in and around your home to reduce pressures on the environment.
8. The Impacts of Mountain Biking on Wildlife and People
   A Review of the Literature
   Resource Type: Article/Report/Letter
   Published: 2004
   It is clear that mountain biking is harmful to some wildlife and people. No one, even mountain bikers, tries to deny that. Bikes create V-shaped ruts in trails, throw dirt to the outside on turns, crush small plants and animals on and under the trail, facilitate increased levels of human access into wildlife habitat, and drive other trail users (many of whom are seeking the tranquility and primitiveness of natural surroundings) out of the parks.
9. In Our Backyard
   A Greater Vancouver Environmental Guide...
   Resource Type: Book
   Published: 1992
   
10. Living with the Land
    Communities Restoring the Earth
    Resource Type: Book
    Published: 1992
    A collection of stories from grassroots communities about the benefits of ecological living.
11. The Moronic Sport: ORVs on Public Lands
    Resource Type: Article/Report/Letter
    Published: 2008
    I do not accept the premise that abuse of our lands is something that we must tolerate as inevitable. It is our land. It is our children's land, and their children's land. We have a responsibility to pass these lands on to the next generation in better condition than we found them.
    Talking about promoting 'responsible' ORV use is like suggesting we ought to promote "responsible wife abuse" or "responsible child abuse."
    
12. Mountain Biking: Frequently Asked Questions
    Resource Type: Article/Report/Letter
    Published: 2009
    Why do people mountain bike, and what harms does it do?
13. Places in Need - Mountain Bike Damage
    Resource Type: Article/Report/Letter
    Trails are easily and seriously degraded by mountain bike use – especially when those bikes are ridden on wet or muddy trail.
14. The Psychology of Mountain Biking
    Resource Type: Article/Report/Letter
    Published: 2000
    The first thing one notices about mountain bikers is that they lie continually.
15. State of the Ark
    An Atlas of Conservation in Action
    Resource Type: Book
    
16. Trail Damage Caused by Irresponsible Mountain Bikers
    Resource Type: Article/Report/Letter
    The damage caused by each mountain biker is much greater than that caused by a hiker, firstly because of the extra weight of the bike, and secondly because the soil is impacted continuously along the trail, while a hiker's feet hit the soil only at intervals.
17. Why Off-Road Bicycling Should be Prohibited
    The Effects of Mountain Biking on Wildlife and People
    Resource Type: Article/Report/Letter
    Published: 1997
    To most environmentalists, bicycles have always been the epitome of good. We are so used to comparing bikes to cars, that it never occurred to us that the bicycle would be ever used for anything bad. Indeed, replacing motor vehicles with bicycles deserves our adoration. But anything can be used for good or evil, and using bikes to expand human domination of wildlife habitat is clearly harmful.
18. Wildlife Need Habitat Off-Limits To Humans!
    Resource Type: Article/Report/Letter
    Published: 2009
    Environmentalism can most simply be defined as the extension of the Golden Rule to include other species. Wildlife must be given top priority, because they can't protect themselves from us.
19. WWF -- Canada
    Media Profile in Sources
    Resource Type: Organization
    

Experts on Environmental Impacts in the Sources Directory

1. American Museum of Natural History
2. Article 19
3. Food and Agriculture Organization of the United Nations
4. Smithsonian Institution National Museum of Natural History
5. World Tourism Organization