1. World Environment Day is celebrated every year on 5 June.

2. Its objective is to make mankind aware of the environment.

3. First held in 1973, it has been a platform to raise awareness on environmental issues such as marine pollution, overpopulation, global warming, sustainable development and wildlife crime. World Environment Day is a global platform for public outreach, with participation from over 143 countries annually.

4. The issue of celebrating World Environment Day was raised for the first time in the United Nations General Assembly regarding human environment. After this, on June 5, 1973, many countries celebrated the first World Environment Day. You should read the Environment Day facts listed below.

1. World Environment Day is celebrated every year on 5 June.

2. Its objective is to make mankind aware of the environment.

3. First held in 1973, it has been a platform to raise awareness on environmental issues such as marine pollution, overpopulation, global warming, sustainable development and wildlife crime. World Environment Day is a global platform for public outreach, with participation from over 143 countries annually.

Tanka is an underground reservoir built to store rain water. The tanka usually has a square or rectangular shape and is constructed from clay or stone. A wall is built around the tanka so that rain water can collect in it.

Khadin-It is a temporary pond made of earth, it is built under some sloping land. There is an earthen wall (Dhora) on both sides and a strong wall made of stone on the third side. When there is excess water, the pond gets filled and the water flows into the next pond. After the water in Khadin dries up, agriculture is done in it.

Khadin-It is a temporary pond made of earth, it is built under some sloping land. There is an earthen wall (Dhora) on both sides and a strong wall made of stone on the third side. When there is excess water, the pond gets filled and the water flows into the next pond. After the water in Khadin dries up, agriculture is done in it.

2. Pond- In Rajasthan, rain water is often collected in ponds. There are separate bathing ghats for men and women here. There is a well at the bottom of the pond, which is called Beri. This ancient method of water harvesting still holds its importance. This increases the ground water level.

4. Stepwell-Stepwells have their own place in Rajasthan. This is an ancient method of storing water. It is deep and has stairs and platforms to descend and is rich in artefacts.

5. Tanka: Tanka is an underground reservoir built to store rain water. The tanka usually has a square or rectangular shape and is constructed from clay or stone. A wall is built around the tanka so that rain water can collect in it.

Gir Cow: This breed is found in Rajasthan, Gujarat and Maharashtra. It is also called Desan, Gujarati, Surti, Kathiawadi, and Sorathi. Its body is red in color with white spots, dome-shaped head and long ears. This cow gives an average of 2110 milk per calving.

Rathi Cow: The origin of this breed is Rajasthan. This breed is spread in Thar Desert, Bikaner, Ganganagar and Jaisalmer districts of Rajasthan. Its skin is mainly brown in color with white spots on it and sometimes its skin is black or brown in color with white spots on it. The lower part of its body is lighter in color than the rest of its body. Its wide mouth, long tail and hanging skin are soft and loose. It produces an average of 1000-2800 kg in one calving. At the time of first calving, the age of a cow of this breed should be 36-52 months and its one calving period is 15-20 months.

The cluster variety 'Mahi Kanchan' developed by the Agricultural Research Center, Banswara is related to maize crops.

2. Mahi Kanchan, Mahi Dhawal and Megha are varieties of maize. The major maize-producing districts in Rajasthan are Bhilwara, Chittorgarh, Udaipur, Banswara and Bundi.

1. The cluster variety 'Mahi Kanchan' developed by the Agricultural Research Center, Banswara is related to maize crops.

2. Mahi Kanchan, Mahi Dhawal and Megha are varieties of maize. The major maize-producing districts in Rajasthan are Bhilwara, Chittorgarh, Udaipur, Banswara and Bundi.