[2026] PTE Academic Writing - Summarize written text

Phytoremediation has emerged as a promising, environmentally friendly technology that utilizes plants to remove, transfer, or stabilize contaminants in soil and groundwater. Historically, cleaning up industrial sites involved costly and invasive mechanical processes, such as the large-scale excavation of soil or the injection of aggressive chemicals. By contrast, this biological approach offers a non-disruptive alternative that preserves the soil structure and enhances the aesthetic quality of degraded landscapes.

Certain specialized species, known as hyperaccumulators, are capable of absorbing heavy metals and radioactive elements into their tissues without suffering adverse effects. While this method is significantly more cost-effective than traditional engineering solutions, it is often limited by the slow growth rate of plants and the relatively shallow depth to which roots can reach. Furthermore, once the plants have absorbed the toxins, they must be carefully harvested and disposed of to prevent the contaminants from re-entering the food chain. Despite these temporal and physical constraints, ongoing research into genetic modification aims to develop hardier plants that can process pollutants more rapidly, positioning phytoremediation as a key strategy for sustainable land management.