The intertwined challenges of social security, nanotechnology, and soil contamination present a complex dilemma for achieving sustainable development. Rising healthcare costs and aging populations place immense strain on social security systems globally. Simultaneously, nanotechnology offers potential solutions in various fields, including medicine and environmental remediation. However, the very materials promising such advancements also pose potential risks. For example, the widespread use of nanomaterials could lead to new forms of environmental contamination, particularly soil pollution, with unknown long-term health consequences. One promising application of nanotechnology is the development of biosensors for rapid and cost-effective soil contamination detection. These sensors utilize nanoscale materials to detect even minute traces of pollutants, providing crucial data for targeted remediation efforts. Such technologies could lead to more effective and efficient cleanup strategies, reducing the economic burden and improving environmental outcomes. However, the disposal of these nanoscale sensors themselves presents a new environmental challenge, as their biodegradability and potential for leaching into soil remain largely unknown. Furthermore, the development and deployment of nanotechnological solutions often involve significant financial investments, raising concerns about equitable access. While nanotechnology has the potential to improve healthcare and environmental remediation, ensuring that the benefits are widely shared and do not exacerbate existing social inequalities is crucial. The high costs associated with nanomaterial production and the specialized skills required for their implementation could further strain already struggling social security systems, particularly in developing nations, unless careful planning and investment in education and infrastructure are undertaken. Addressing these issues requires a multi-faceted approach, integrating technological advancements with robust regulatory frameworks and social policies that prioritize equity and sustainability.
1. According to the passage, what is a major challenge related to the use of nanotechnology in soil remediation?
2. What is the passage's main argument regarding the relationship between nanotechnology and social security?
3. Which of the following best describes the author's tone in the passage?
4. The passage suggests that the successful integration of nanotechnology into soil remediation strategies requires: