READING
12. Environmental Problems
IELTS Reading Test
Reading Passage:
The Challenges of Protecting Animal Habitats
The destruction of important animal habitats has become an alarming global issue in recent decades, with far-reaching consequences for biodiversity and ecological stability. While the call for protecting important natural habitats is loud in countries enjoying high standards of living, the poorer nations that usually contain these areas remain focused on pulling their citizens out of poverty. Below, we’ll look at the key reasons for habitat destruction, some of the solutions available and then look at the justification for their exploitation. Finally, the case will be made that richer nations must try to develop the solutions and practices that will help the rest of the world to protect these areas.
Reasons for Habitat Destruction
Urbanisation and Infrastructure Development
One of the primary drivers of habitat destruction is urbanisation. As human populations grow, there is an increasing demand for housing, commercial spaces, and infrastructure. This often leads to the conversion of natural landscapes into urban areas, resulting in the displacement or elimination of numerous species.
Agricultural Expansion
Agriculture, a fundamental human activity, plays a significant role in habitat destruction. The conversion of forests, grasslands, and wetlands into agricultural land is a pervasive practice globally. This results in the loss of critical habitats for countless species and disrupts ecological balance.
Logging and Deforestation
The demand for timber, paper, and other wood-based products continues to grow. Ancient forests, rich in biodiversity and ecologically complex, are being cut down at an alarming rate to meet this demand. These practices not only directly remove habitats but also alter the composition and structure of ecosystems, making them unsuitable for many species. Even where trees are replanted, the resulting forest often lacks the complexity and biodiversity of the previous forest cover.
Mining and Resource Extraction
Mining operations, including coal, oil, and mineral extraction, often require large tracts of land. These activities can lead to the destruction of habitats and the pollution of surrounding environments, making them inhospitable for many species. Perhaps counterintuitively, as we move towards the electrification of our economies, something which is necessary to end our reliance on fossil fuels, we face new and growing demands for mined metals and minerals such as copper, lithium and rare earths.
Climate Change
While not a direct form of habitat destruction, climate change exacerbates the problem. Rising temperatures, changing precipitation patterns, and extreme weather events can alter habitats beyond recognition, rendering them unsuitable for their native inhabitants.
Measures to Reduce Habitat Destruction
Land Use Planning and Zoning
Effective land use planning and zoning regulations can help designate areas for development while preserving critical habitats. This approach ensures that human activities do not encroach upon sensitive ecosystems. This approach serves as a critical safeguard against the spreading of urbanisation, agriculture, and infrastructure projects into areas that are vital for the survival of numerous species.
Promotion of Sustainable Agriculture
Implementing sustainable agricultural practices, such as agroforestry, organic farming, and precision agriculture, can help minimise the impact of farming on natural habitats. Agroforestry, for instance, is a holistic farming technique that integrates trees into agricultural landscapes, while in the case of organic farming, farmers avoid using synthetic inputs and instead try to work in harmony with the ecosystem, fostering healthier soil, water, and air quality. These practices focus on maximising productivity while minimising environmental harm.
Reforestation and Habitat Restoration
Efforts to restore and rehabilitate degraded habitats can help mitigate the effects of habitat destruction. Reforestation projects, wetland restoration initiatives, and the creation of wildlife corridors are essential steps in this direction. One notable example of a reforestation project is the "Great Green Wall" initiative in Africa. This ambitious project aims to combat desertification and land degradation in the Sahel region, a semi-arid zone that spans across 11 countries from Senegal in the west to Djibouti in the east.
Regulation and Enforcement
Stringent regulations and their effective enforcement are crucial in controlling activities that lead to habitat destruction. This includes monitoring logging operations, controlling mining activities, and ensuring compliance with environmental impact assessments. Very often the problem is not the lack of laws protecting important natural habitats, but rather the enforcement of these laws.
Climate Change Mitigation and Adaptation
Addressing climate change is paramount in ensuring stability of climatic conditions, which is necessary if we want to safeguard important animal habitats around the world. If temperatures rise too precipitately, or rain patterns change too dramatically, many species will be in grave danger as their habitats become inhospitable. Transitioning to carbon-free energy sources such as nuclear power, or reducing fossil fuel use through the widespread use of electric vehicles, could help stabilise temperatures.
The Justifiability of Habitat Destruction
The justifiability of habitat destruction is a contentious issue. On one hand, human development and economic progress are essential for societal well-being, but on the other hand, a high price is being paid by other species. Infrastructure development, agricultural expansion, and resource extraction are all causing huge damage to important natural habitats around the world but are also important in raising living standards.
The right trade-off between economic growth and protecting the environment is not easy to find, especially in countries where low living standards are still widespread. While richer developed nations may be able to afford to use less cost-efficient means of producing energy or abstain from exploiting their natural resources, this is harder to justify in poorer nations where many people still live in or on the edge of poverty.
In the Hands of Developed Nations
Given that it is unrealistic to expect poor nations to fund the use of green technologies or avoid the exploitation of their natural resources, it's left to richer, more developed nations to take the lead in protecting important natural habitats. These countries can make use of their better access to funding and state of the art technology to develop sustainable technologies and practices to the point where poor countries can use them without sacrificing living standards. Furthermore, poor nations must be assisted in finding a better way to exploit their natural resources. For instance, funds could be made available to assist in a transition to eco-tourism in areas of rainforest, or to promote other types of more environmentally friendly economic activity. As a result, these poorer nations could join a worldwide effort to fight climate change.
Questions 1 - 3
Complete the summary below.
Choose ONE WORD ONLY from the passage for each answer.
The Reasons for Habitat Destruction
Habitat destruction stems from several key factors. Urbanisation, driven by population 1____________, transforms natural landscapes into urban areas, displacing countless species. Agricultural expansion involves converting forests, grasslands, and wetlands into farmland, disrupting ecosystems and eliminating critical habitats. Logging and deforestation, driven by demands for wood-based products, remove biodiverse ancient forests and alter ecosystems. Mining and the 2____________ of resources, essential for industry, lead to habitat destruction and environmental pollution. Additionally, climate change exacerbates the issue, causing drastic habitat alterations through rising temperatures and extreme weather events, making them 3____________ for native species.
Question 4-7
Complete the sentences below.
Choose NO MORE THAN TWO WORDS from the passage for each answer.
4. Effective land use planning can select certain areas for development while protecting very important ____________.
5. Agroforestry is a method of incorporating _____________ into areas of farmland.
6. In order to prevent the destruction of important habitats the proper _____________ of laws and regulations is needed.
7. It is difficult for poor nations to avoid ____________ the natural resources in their territories.
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Reading Answer Key:
1. growth 2. Extraction 3. inhospitable 4. habitats 5. trees 6. enforcement 7.exploiting