Science Answer the following question.

• The Indian Meteorological Department was founded by the British in 1875 at Shimla.
• Its head office is at Pune and its Regional offices are at Mumbai, Kolkata, Chennai, Nagpur and Delhi.
• Maps are prepared every day which indicate the daily predictions about the weather.
• Such maps are prepared and published twice in every 24 hours.
• In this institute, research goes on continuously on various aspects like instruments for climatic readings, predictions made about climate using radar, predictions about climate related to seismology, predictions regarding rainfall by satellites, air pollution etc.
• The Indian Meteorological Department provides information regarding weather and climatic conditions to other departments like aviation, shipping, agriculture, irrigation, marine oil exploration and production etc.
• Predictions regarding calamities like dust storms, sand storms, heavy rainfall, hot and cold waves, tsunami, etc. are communicated to various departments, all types of mass communication media and all citizens.
• India has launched several satellites equipped with highclass technology.
• Observatories at several locations are doing excellent work in the analysis of the information received from these satellites.

It includes the following :

• Prevention of loss and danger.
• Improving tolerance.
• Providing relief from disaster, minimising the intensity and extent of harm.
• Preparation to face the disaster.
• Immediate action in the disaster situation.
• Assessment of damages and intensity of the disaster.
• Arranging for rescue work and help.
• Rehabilitation and rebuilding.

• Reuse: After use, materials should be reused for some other proper purposes.
• Refuse: Refusal to use articles made from non- degradable articles like plastic and thermocol.
• Recycle: Production of useful articles by recycling solid wastes. For example, paper and glass can be recycled.
• Rethink: Rethinking our habits, activities and their consequences in connection with the use of various articles of daily use.
• Reduce: Restricting the use of resources to avoid their wastage.
• Old materials should be reused. One thing should be shared by many, use and throw type of objects should be avoided.
• Research: Conducting research related to reuse of materials that are temporarily out of use.
• Regulation and Public awareness: Following the laws and rules related to waste management and motivating others to do the same.

(ii) Industrial waste : Chemicals, pigments, sludge, ash, metals, etc.

(iii) Hazardous waste : Chemicals generated in various industries, radioactive materials, explosives, infectious materials, etc.

(iv) Farm/Garden waste : Leaves, flowers, branches of trees, crop residues like straw, animal urine and dung, pesticides, remains of various chemicals and fertilizers, etc.

(v) Electronic waste : Non-functional TV sets, cell phones, music systems, computers and their parts, etc.

(vi) Biomedical waste : Bandages, dressings, gloves, needles, saline bottles, medicines, medicine bottles, test tubes, body parts, blood, etc. from clinics, hospitals, blood banks and laboratories.

(vii) Urban waste : Waste generated through household industries and large commercial and industrial establishments, carry bags, glass, metal pieces and rods, threads, rubber, paper, cans from shops, vegetable and meat markets, construction waste, etc.

(viii) Radioactive waste : Radioactive materials like Strontium-10, Cerium-141, Barium-140 and heavy water, etc. generated from atomic energy plants, uranium mines, atomic research centres, nuclear weapons testing sites, etc.

(ix) Mining waste : Remains of heavy metals like lead, arsenic, cadmium, etc. from mines.