Match the List-I with List-II.

List-I (Environmental Treaty/Convention)		List-II (Focus Area)
A.	Bonn Convention	I.	Migratory Species Conservation
B.	CITES	II.	Convention on Biological Diversity
C.	Earth Summit	III.	Trades in Endangered Species
D.	Nagoya Protocol	IV.	Sustainable Development

Choose the correct answer from the options given below:

The correct option is (A)-(I), (B)-(III), (C)-(IV), (D)-(II).

Let us understand the focus area of each environmental treaty and convention step-by-step to see why this matching is correct:

A. Bonn Convention matches with I. Migratory Species Conservation:
The Convention on the Conservation of Migratory Species of Wild Animals (also known as the Bonn Convention or CMS) is an environmental treaty under the aegis of the United Nations Environment Programme. It provides a global platform for the conservation and sustainable use of migratory animals and their habitats.

B. CITES matches with III. Trades in Endangered Species:
CITES stands for the Convention on International Trade in Endangered Species of Wild Fauna and Flora. It is an international agreement between governments aimed at ensuring that international trade in specimens of wild animals and plants does not threaten their survival.

C. Earth Summit matches with IV. Sustainable Development:
The United Nations Conference on Environment and Development (UNCED), also known as the Rio de Janeiro Earth Summit (1992), focused heavily on international cooperation for sustainable development, producing key documents like Agenda 21 to promote sustainable practices globally.

D. Nagoya Protocol matches with II. Convention on Biological Diversity:
The Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization is a supplementary agreement to the Convention on Biological Diversity (CBD). It implements one of the three core objectives of the CBD: the fair and equitable sharing of benefits arising from the utilization of genetic resources.

Combining these matches, we get:
A - I, B - III, C - IV, D - II.