$A$ plastic sack manufacturer in Bangalore found an ideal solution to the ever-increasing problem of plastic waste. Identify this person.

The Ministry of Environment and Forest has initiated the Ganga Action Plan and Yamuna Action Plan:
$(i)$ To save these major rivers of our country from pollution.
$(ii)$ It is proposed to build a large number of sewage treatment plants.
$(iii)$ Under these plans,only treated sewage may be discharged into the rivers.

How many of the following processes result in the release of $CO_2$ into the atmosphere? Burning of wood,forest fires,photosynthesis,combustion of fossil fuels,decomposition of organic matter,volcanic activity.

Phosphate pollution is caused by

Approximately $P$ fraction of the solar radiation reaching the Earth is reflected by clouds and gases,and another $Q$ fraction is absorbed by them.

The Chipko movement was successfully launched by