EnvironmentSources.ca
Title
EnvironmentSources.ca - Environment Sources Canada
Description
Environment sources in and about Canada.
As we witness an apparently unending succession of environmental hazards and catastrophes, awareness is spreading that we are in the midst of a profound ecological crisis.
The dimensions of that crisis are frightening. Global warming -- the greenhouse effect -- threatens massive disturbances to climate, vegetation, sea levels, water supplies, and agriculture. Airborne pollutants, including acid rain, are causing the death of lakes and forests, and are a major cause of cancers and respiratory illnesses in humans.
Water pollution, including toxic wastes, raw sewage, oil spills, and garbage dumped at sea, is befouling shorelines and making water unfit to drink or to swim in. Fish and marine mammals suffer from these hazards, and from overfishing and huge deadly driftnets. The earth's protective ozone layer is thinning dangerously, with potentially devastating effects on the marine food chain and on humans who venture into the sunlight.
Rain forests are being destroyed at a catastrophic rate, with inevitable consequences for climate worldwide. We are in the midst of a massive wave of species extinctions, and countless other species of animals and plants are nearing the edge. Stresses on wildlife and habitat range from outright destruction to overhunting to the proliferation of all-terrain vehicles.
Unsustainable farming practices are degrading the soil, depleting water reservoirs that took centuries to build up, polluting lakes, rivers and groundwater with chemicals, inadvertently encouraging the biological selection of pesticide-resistant insect pests, and dangerously narrowing the genetic diversity of cultivated plant species.
If there is any hope, it is that people worldwide are resisting the urge to simply despair, and are instead seeking to do whatever they can to reverse the trend.
Many people are trying to change their own lifestyles by avoiding products and practices which are harmful to the environment, by reusing and re-cycling, by composting, by reducing the use of private automobiles. They are also pressuring governments and industries to change and supporting environmental organizations.
Also receiving recognition is the fact that environmental issues are closely linked to third world development issues, and to questions of peace and urban planning. The increasing awareness of the global nature of environmental problems has made it apparent there is no hope of solving them unless the problems of poor countries generally are addressed. For example, most third world countries have no sewage treatment facilities, no controls on industrial pollution, and no means of dealing with hazardous wastes except by dumping them in the sea. Rain forests will continue to be cleared unless local people see viable economic alternatives for themselves.
There is still hope for reversing the trend toward environmental collapse, but only if we are able to work together worldwide to achieve profound changes. Our many local initiatives are steps toward achieving that, but many more steps are needed before we become a movement capable of bringing about those changes.
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