Is it true that sustainable agriculture is a type of agriculture that focuses on producing long-term crops and livestock while having minimal effects on the environment?

Concept: The above-given statement is true.

• Sustainable agriculture tries to strike a fine balance between the need for food production and the preservation of the ecological system within the environment. 
• There are several other goals associated with sustainable agriculture, including conserving water, minimizing the use of fertilizers and pesticides, and promoting biodiversity in crops grown and the ecosystem. 
• Sustainable agriculture also focuses on maintaining the economic stability of farms and helping farmers improve their techniques and quality of life as a whole.

Hence, option A is the correct answer.