Fill in the correct word or word combination from the list below:
industrial pollutants, avert a global ecological crisis, plant and animal species, the strictest environmental standards, irreversible damage, altered climate patterns, global ecological collapse, depletion of the ozone layer, sustainable development
1. The Committee noted that pressure on fresh-water resources was increasing tremendously, requiring urgent action to ……. ……………. ……………… ………………….
2. Industrialized countries are introducing ………… ……………. ……………… requiring expensive pollution control equipment in secondary smelters, as well as high health and safety standards for workers.
3. We are already witnessing the serious damage caused by drastic changes in ……………… ……………. ………………….

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