Limits to Growth focuses on which of the following Environmental Concerns?

Depletion of the Earth's resources

The correct answer is Option (1) → Depletion of the Earth's resources

"Although environmental concerns have a long history, awareness of the environmental consequences of economic growth acquired an increasingly political character from the 1960s onwards. The Club of Rome, a global think tank, published a book in 1972 entitled Limits to Growth, dramatising the potential depletionof the Earth’s resources against the backdrop of rapidly growing world population. International agencies, including the United Nations Environment Programme (UNEP), began holding international conferences and promoting detailed studies to get a more coordinated and effective response to environmental problems. Since then, the environment has emerged as a significant issue of global politics"