The concept of 'environmental carrying capacity' has long been central to ecological studies, yet its application to human societies remains contentious. Unlike non-human populations, which are typically limited by resource availability and predation, human communities can artificially augment their environment's productivity through technological innovation and trade. However, such adaptations often incur hidden costs, such as increased energy consumption and waste production. Recent research suggests that while technological fixes may temporarily raise the ceiling of carrying capacity, they simultaneously create new vulnerabilities, particularly in the face of global climate change. Consequently, some scholars argue for a more nuanced definition that incorporates not only biophysical limits but also social resilience and adaptive capacity. This perspective challenges the assumption that human ingenuity can indefinitely outpace environmental constraints, urging policymakers to consider long-term sustainability over short-term gains.
❓ Según el pasaje, ¿cuál es una limitación clave de las innovaciones tecnológicas para aumentar la capacidad de carga humana?
A. A. A menudo son demasiado caras para que los países en desarrollo las adopten.
B. B. Pueden conducir a consecuencias no deseadas, como un mayor consumo de energía y residuos.
C. C. No pueden abordar de ninguna manera el problema del agotamiento de los recursos.
D. D. Solo son efectivas cuando se combinan con medidas de control de la población.
✅ 正确答案
B. They may lead to unintended consequences like higher energy use and waste.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
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