Key Concept: Application of Concepts

b) Investing in clean water and sanitation

[Solution Description] The United Nations’ Global Goals for sustainable development include promoting renewable energy, reducing inequality, conserving natural habitats, and ensuring sustainable economic growth. Among the given options, investing in clean water and sanitation aligns closely with these goals as it addresses several key sustainability issues like health, ecosystem conservation, and poverty reduction.

Key Concept: Climate Change Projections, Ecological Consequences

c) Disruption of ecological balance

[Solution Description] In 50 years, the cumulative temperature rise would be $$0.02^\circ C/year \times 50 \, years = 1^\circ C$$. A 1-degree Celsius increase can have significant impacts on ecosystems. One major consequence is the disruption of the ecological balance, as many species may not adapt quickly enough, leading to shifts in habitat ranges and biodiversity loss.

Key Concept: Human Impact

c) Deforestation

[Solution Description] Deforestation is a process where humans cut down forests for land use, significantly altering the natural landscape.

Key Concept: Industrial Safety

c) They help in identifying and mitigating potential hazards

[Solution Description] Industrial safety measures play a crucial role in preventing disasters by ensuring that operations adhere to strict safety protocols, continuously monitoring for potential hazards, and maintaining emergency preparedness plans. These measures help to minimize risks and prevent accidents that could lead to disasters like the Bhopal incident.

Key Concept: Capitalism and Nature

c) By promoting their transformation into economic assets.

[Solution Description] Capitalist ideology often emphasizes profit maximization, leading to the commodification of natural resources such as rivers. This means transforming them into economic assets through activities like dam construction, water bottling, and industrial use. Such commodification can result in environmental degradation and restricted access for local communities dependent on these natural features.

Key Concept: Resource Distribution

b) Resources are shared equally among all people

[Solution Description] Equitable distribution of resources means sharing resources fairly among all people, ensuring that everyone has enough to meet their needs while preserving resources for future generations.

Key Concept: Social Organization

c) Social hierarchy

[Solution Description] Social hierarchy and organization often dictate how resources are distributed within a community, affecting who has access to what.

Key Concept: Ecology Definition

b) Web of physical and biological systems including humans

[Solution Description] The term ‘ecology’ denotes the web of physical and biological systems, including humans, which interact with each other. It encompasses both abiotic and biotic components and their interactions within an ecosystem.

Key Concept: Sustainable Development

b) Meeting the needs of the present

[Solution Description] A key concept of sustainable development according to the Brundtland Report is to meet the needs of the present without compromising the ability of future generations to meet their own needs, emphasizing environmental sustainability and the needs of the poor.

Key Concept: Human Impact

d) Deforestation

[Solution Description] Deforestation involves the clearing of forested areas by humans for agricultural or urban development purposes, significantly altering the natural landscape and ecosystem.

Key Concept: Concept Identification

d) Social inequality

[Solution Description] A key concept in social ecology is social inequality, which influences how environmental resources are distributed and who is most affected by environmental crises.

Key Concept: Concept Identification

c) A society managing environmental threats from technology

[Solution Description] The concept of ‘risk society’, introduced by sociologist Ulrich Beck, describes a society increasingly preoccupied with risks, especially those resulting from technological advancements and industrial activities. It reflects how modern societies organize responses to environmental threats and uncertainties.

Key Concept: Environmental Problems

d) Social inequality

[Solution Description] Social ecology identifies social inequality as a key factor that contributes to environmental problems by creating unequal power dynamics and unsustainable practices.

Key Concept: Comparative Analysis

b) He believed that sustainable practices should take precedence over industrial expansion.

[Solution Description] Gandhi criticized Western-style industrialism for prioritizing economic growth at the expense of environmental health. His views align with modern principles of environmental sustainability, which emphasize balancing economic development with ecological preservation.

Key Concept: Societal Impact

a) Inflation

[Solution Description] Water scarcity leads to several economic challenges, including increased costs for water supply and treatment, which impacts agriculture productivity by reducing crop yields. This, in turn, causes food prices to rise, affecting both consumers and producers. Therefore, inflationary pressures are exacerbated by water scarcity.

Key Concept: Application of Concepts

c) A government passing laws that favor industrial expansion over environmental protection.

[Solution Description] Political power influences environmental governance by determining which environmental issues are prioritized through legislation and policy-making. An example is when a government enacts policies favoring industries that contribute to its economy but may harm the environment.

Key Concept: Human Intervention

c) Agricultural farms

[Solution Description] Human interventions often modify natural landscapes for agriculture purposes, leading to changes in land use, water cycles, and local ecosystems. Agricultural farms are an example where humans alter the environment significantly.

Key Concept: Source Identification

b) Forests or plantations

[Solution Description] Paper is primarily made from wood pulp, which originates from trees in forests or plantations.

Key Concept: Global Warming Consequences, Real-world Application

c) Elevated sea levels causing saltwater intrusion into farmland

[Solution Description] Global warming leads to climate change which increases the frequency of extreme weather events such as droughts and floods. These conditions affect soil moisture and crop yields. One major secondary consequence is increased desertification, which reduces arable land availability and impacts agricultural productivity.

Key Concept: Human Element

c) They interact with and modify physical and biological systems

[Solution Description] Humans are considered an integral part of ecological systems because they interact with various physical and biological systems and can significantly impact them through their activities.

Key Concept: Definition Recall

c) Study of earth’s water cycle and its management

[Solution Description] Hydrology is defined as the scientific study of the movement, distribution, and management of water on Earth, which is relevant to understanding issues related to water scarcity.

Key Concept: Resource Ownership

c) The government

[Solution Description] The government during the Industrial Revolution retained control over the use of its owned forests and other natural resources.

Key Concept: Biodiversity Loss, Social Inequality

b) Marginalized groups are forced to overexploit forest resources for survival

[Solution Description] Social inequality leads to unequal land distribution, where marginalized communities rely heavily on forest resources for their livelihood. This dependence accelerates deforestation as these groups clear forests for subsistence farming, intensifying biodiversity loss due to lack of alternative options.

Key Concept: Pollution Types

d) Air pollution

[Solution Description] Air pollution is a significant problem in urban environments due to the concentration of vehicles and industrial activities, leading to health issues and environmental degradation.

Key Concept: Ecological Impact

c) Disruption of non-target species

[Solution Description] One major ecological concern associated with the use of genetically modified Bt cotton is the possible disruption of non-target organisms in the ecosystem. The Bt toxin, while effective against targeted pests like the bollworm, may also affect beneficial insects, leading to imbalances in the local biodiversity.

Key Concept: Ecological effects of the Industrial Revolution

d) Widespread deforestation due to factory establishment

[Solution Description] The Industrial Revolution marked a significant shift to mechanized manufacturing, leading to increased fossil fuel consumption. This resulted in air pollution and habitat destruction as factories were built and raw materials extracted.

Key Concept: Cause and Effect

c) It determines resource distribution and crisis impact

[Solution Description] Social status influences environmental crises by determining the allocation of resources and power, which affects who suffers most and who benefits during such events.

Key Concept: Policy Influence

c) By pushing the urban poor further into poverty and displacement

[Solution Description] Government policies focusing on slum eradication often involve relocating residents to formal housing without considering their livelihoods or social networks. While the intention is to improve living standards, these policies may displace communities from their sources of income and social support systems, potentially leading to job loss and increased poverty. Additionally, if affordable alternatives are not provided, the poor might end up in equally unsuitable conditions elsewhere.

Key Concept: Interdisciplinary Connections, Ethical Considerations

c) By integrating environmental protections and community engagement into their operations.

[Solution Description] The principles of sustainable development emphasize balancing economic growth with ecological preservation and social equity. Industries dependent on natural resources must consider not only their current needs but also the impact on future generations. Ethical business practices would involve implementing technologies that reduce environmental damage, ensuring fair labor conditions, and investing in community development to mitigate resource depletion.

Key Concept: Ownership Examples

c) Government agencies

[Solution Description] When forests are owned by the government, it typically means that government agencies are responsible for deciding how these forests are used. This can include setting rules for logging, conservation, recreation, and other activities.

Key Concept: Social Status Impact

c) It determines the extent to which people can insulate themselves from environmental crises

[Solution Description] Social status impacts environmental inequality as it often determines the degree to which individuals or communities can insulate themselves from environmental crises, with higher social status often providing better protection or options.

Key Concept: Human Impact

d) Urbanization

[Solution Description] Urbanization involves the transformation of natural landscapes into city environments, representing human modification of the environment.

Key Concept: Universal Concerns

c) Climate change

[Solution Description] Climate change is often considered a universal concern; however, its impacts and benefits of mitigating actions do not benefit all social groups equally due to disparities in resources and resilience.

Key Concept: Comparative Analysis

c) It commodifies natural resources

[Solution Description] Capitalism tends to prioritize economic growth and profit, often leading to the commodification of nature as resources are extracted for financial gain. This system may overlook environmental sustainability in favor of market demands.