PTE Academic Write Essay · Advantages and disadvantages · advanced

Cost Benefit Analysis of Global Renewable Energy Transition

The prompt

Perform a nuanced cost-benefit analysis of renewable resources, examining both tangible and intangible ramifications across temporal and spatial dimensions. In your assessment, determine whether the net impact justifies current trajectories, supporting your conclusions with scholarly research and empirical data.

20 minutes. Write 200 to 300 words. A BandLadder practice prompt, not a recalled exam question.

Plan before you write

Position:
While the transition to renewable energy entails significant initial economic and infrastructural burdens, the long-term ecological and public health benefits fundamentally justify an accelerated global shift.
Paragraph 2:
Economic and logistical challenges inherent in current renewable energy deployment.
Paragraph 3:
Environmental and socioeconomic advantages that provide sustained long-term value.
  1. If the question says outweigh, decide which side wins and say so in the introduction.
  2. One paragraph for advantages, one for disadvantages, each with a concrete example.
  3. The conclusion must give the verdict; listing both sides without one loses task response.

Sample essay

The global energy paradigm is currently undergoing a pivotal transition from fossil fuels to renewable alternatives. While this shift necessitates substantial initial capital investment and spatial restructuring, the long-term environmental and socioeconomic dividends render the current trajectory not only justified but essential for sustainable development.

Adopting renewable energy sources involves significant tangible costs. Developing the infrastructure for solar, wind, and hydroelectric power requires massive upfront capital and extensive land usage, which can lead to habitat fragmentation and resource depletion during the manufacturing phase. Furthermore, the intermittency of these sources necessitates sophisticated battery storage technologies, which currently rely on rare earth minerals. Research from the International Energy Agency indicates that the logistical complexity of upgrading national grids to accommodate decentralized energy inputs represents a considerable economic hurdle for developing nations, potentially exacerbating existing global inequalities.

Conversely, the intangible and long-term ramifications provide a compelling justification for these efforts. Transitioning away from carbon-intensive fuels drastically mitigates the externalities of climate change, such as extreme weather events and rising sea levels, which impose catastrophic costs on global economies. Empirical data from the World Health Organization underscores that reducing reliance on fossil fuels significantly lowers respiratory disease prevalence, yielding profound public health benefits. By decoupling economic growth from carbon emissions, societies can foster energy independence and resilience against volatile fuel markets, thereby securing a more stable future for subsequent generations.

In conclusion, although the current trajectory toward renewable energy is fraught with logistical and fiscal challenges, the net impact is overwhelmingly positive. The mitigation of environmental degradation and the enhancement of public health outcomes far outweigh the preliminary costs, confirming that a concerted shift toward sustainability is the most prudent path forward.

278 words. Use the structure and vocabulary, not the sentences: PTE flags memorised templates.

Why this scores well

This essay excels in linguistic range and vocabulary precision by utilizing domain-specific terminology like 'intermittency' and 'externalities' to support a cohesive argument. The most common error on this prompt is failing to address both the temporal and spatial dimensions, which leads to a lower score in content and development.

Vocabulary from the essay

paradigm
a typical example or pattern of something
dividends
a benefit resulting from an action or decision
intermittency
the quality of occurring at irregular intervals
externalities
consequences of an activity experienced by others
decoupling
separating two things that were previously connected
resilience
the capacity to recover quickly from difficulties
prudent
acting with or showing care for future
fragmentation
the process of breaking into smaller parts

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Frequently asked questions

How long should a PTE essay be?

Between 200 and 300 words; outside that range the form score drops to zero. This sample is 278 words, written for the 20-minute limit.

What type of essay is this?

Advantages and disadvantages. If the question says outweigh, decide which side wins and say so in the introduction.

What does PTE reward in the essay?

This essay excels in linguistic range and vocabulary precision by utilizing domain-specific terminology like 'intermittency' and 'externalities' to support a cohesive argument. The most common error on this prompt is failing to address both the temporal and spatial dimensions, which leads to a lower score in content and development.

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