The concept of 'environmental footprint' has evolved significantly since its introduction in the 1990s. Initially, it focused solely on carbon emissions, but contemporary models incorporate a broader spectrum of ecological impacts, including water usage, land degradation, and biodiversity loss. This shift reflects a growing recognition that sustainability cannot be achieved by addressing a single metric. For instance, a product may have a low carbon footprint yet contribute heavily to water scarcity in its production region. Consequently, researchers now advocate for a holistic assessment framework that integrates multiple indicators. However, such comprehensive evaluations are often data-intensive and geographically specific, posing challenges for standardization. Despite these difficulties, the trend towards multidimensional footprint analysis is crucial for informing policy decisions that aim to balance economic growth with environmental preservation.
❓ 지문에 따르면, 총체적 환경 발자국 평가를 시행하는 데 있어 주요 과제는 무엇인가?
A. A. 그들은 과도한 탄소 데이터를 요구한다.
B. B. 데이터 집약성과 지역적 특수성으로 인해 표준화하기 어렵다.
C. C. 그들은 생물다양성 손실을 무시한다.
D. D. 그들은 오직 물 사용에만 초점을 맞춘다.
✅ 正确答案
B. They are difficult to standardize due to data intensity and regional specificity.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first