Aerosols above the Himalaya may alter regional thermostat nano-sized pollutants were for the first time found reacting with each other above the Himalaya. Scientists from the Universite Blaise Pascal, France, said these ultra-fine pollutants are combining to form aerosols

Environment Minister Patali Champika Ranawaka yesterday announced that the Vienna convention has provided a sum of US$ 490 million for the protection of the ozone layer.
Minister Ranawaka made this announcement at a felicitation ceremony organized by the parliament to felicitate him on his election as the President of the Vienna Convention in Doha Qatar recently.

Around 13 megacities have so far been identified as ABC hotpots. Bangkok, Beijing, Cairo, Dhaka, Karachi, Kolkata, Lagos, Mumbai, New Delhi, Seoul, Shanghai, Shenzhen and Tehran where soot levels are 10 per cent of the total mass of all human-made particles. ABCs can reduce sunlight hitting the Earth's surface in two ways.

This year

Controlling methane emissions through acid rain? adding sulphate to soil in paddy fields is a popular method of controlling methane emission, to the tune of up to 70 per cent. In highly polluted countries such as India and China, acid rain also deposits a substantial amount of sulphate. This leads to more than required sulphate, which can be harmful for paddy. In such cases it becomes

The Indian Air Force has decided to study ways and means to reduce emission of harmful gases from its aircraft so as to prevent depletion of the ozone layer.