How does pollution prevention support the precautionary principle in preventing harm to humans and ecosystems caused by toxic chemicals?
What will be an ideal response?
In practice, there are far too many natural and synthetic chemicals in use to rigorously test the toxicity of them all. The strategy of pollution prevention intended to minimize the release of toxic substances either by recycling and reusing them within production processes, or by replacing toxic substances with less harmful ones. The precautionary principle states that when there is reason to suspect that a chemical may be harmful, it's impact should be mitigated by taking precautionary measures. Pollution prevention limits the amount of harmful chemicals in use, and assures that any toxic chemicals in use are used to their fullest extent and not released into surrounding ecosystems. Both of these activities represent actions that help achieve the ends of the precautionary principle.
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If we are to follow nature's three scientific principles of sustainability (introduced in Module 1, p. 25-26), which should we start relying on more to meet our needs?
A. Renewable energy sources B. Nuclear energy C. Fossil Fuels D. Non-renewable energy sources
Underwater mountains or ridges usually form at the subduction zone, where two oceanic plates collide
Indicate whether the statement is true or false
In winter, air over the frigid continental land masses or North America and Siberia form zones of ________ atmospheric pressure. Air over the relatively warmer waters near the Aleutians and Iceland form zones of ________atmospheric pressure
a. low; low b. high; low c. high; high d. low; high
Regulating ecosystem services are ways that ecosystems control important conditions and/or processes such as ________
A) soil formation and nutrient cycles B) aesthetic beauty and recreation C) pollination and chlorophyll D) climate, water flow, and disease E) food, water, and fiber