Think of many ways as you can in which human activities are affecting the environment. Start off by listing them, but then try and put and them into a spider diagram with lines pointing to the different kinds of effects, such as: global warning, habitat destruction, killing of wildlife, etc.
Describe how human may exercise choices which could limit or worsen the effects of the environmental damage that they cause.
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Well this is a very long question. Global warming is caused by the build-up in the atmosphere of Carbon di oxide and other toxic gases discharged by industry and agriculture. If unchecked, it could alter temperatures, rainfall and sea levels of the earth.
Destruction of biotic potential of land leads to desertification. Such problem arises due to over-grazing, indiscriminate felling of trees and over-exploitation of land resources.
Due to selective and excessive exploitation of a few selected species without proper management practices for their regeneration, and due to destruction of certain natural ecosystem, there is total extinction of a number of species. Once a species becomes extinct, that combination of gene pool is permanently lost and man no more can recover it for future use. Therefore, conservation of endangered plant resources is all the more important. Each disappearing species takes with it other dependent species of insects or higher animals etc.
The aims of endangered species act are 1) protection of natural habitats through controlled, limited exploitation of species. 2) maintenance of the viable number of species in protected areas. 3) establishment of Biosphere Reserves for plants and animal species.
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