Answer :
Final answer:
Environmental changes can have both useful (positive) and harmful (negative) effects. Useful effects can include improved agriculture due to increased carbon dioxide levels and the creation of new species' habitats. However, harmful effects, often caused by human activities such as industrial pollution and emissions, can result in global climate change, damage to ecosystems, environmental and health issues.
Explanation:
There are several useful and harmful effects of environmental changes. Useful effects include adaptation mechanisms of species, improved agricultural productivity due to specific climatic changes, or generation of new habitats. For instance, increase in atmospheric carbon dioxide can accelerate plant growth, benefiting agriculture. However, changes can also have significant harmful effects.
Harmful effects are often observed as a result of human activities such as pollution and oil spills, which damage ecosystems and potentially contribute to global climate change. Industrial activities can also have detrimental effects, causing air and water pollution, soil contamination, and habitat loss. Moreover, changes such as variations in seasonal patterns, unseasonal rainfall, and disruptions to species life cycles can negatively impact both wildlife and human societies.
Environmental deregulations, while having a difficult-to-prove positive impact, often result in exacerbated environmental and health issues. The net effect of these changes to our planet's capacity to sustain life is presently unknown. However, there is a growing consensus that the negative impacts might outweigh the benefits, leading to a decrease in the Earth's carrying capacity for humans.
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