雅思写作 Task 2 积极或消极发展类新题

Fossil fuels (coal, oil, and natural gas) are the main sources in many countries. However, in some countries, the use of alternative sources of energy (wind and solar energy) is encouraged. Do you think it is a positive or negative development?

An increasing number of people are choosing to have cosmetic surgery in order to improve their appearance. Why do people have operations to change the way they look? Do you think this is a positive or negative development?