Answer:
3) burning more fossil fuels
Explanation:
Transformative changes are defined as the practical or strategic process that leads to revolutionary changes in the environment.
Transformative changes have a positive impact on the environment and society.
All the given options are revolutionary changes along with positive impact on the environment except burning of fossil fuel. Burning of fossil fuel causes pollution and leads to global warming which is harmful for environment.
Hence, the correct option is 3) burning more fossil fuels.
