We can control pollution by
(i) By Making workplaces no-smoking zones and banning cigarettes advertising.
(ii) By Strictly penalties for consumers and firms who break the regulations.
(iii) By Setting minimum standards in the workplace for health and safety.
Poaching of the tiger is very common in India and has very badly affected the population of the tiger. They are mainly slaughtered for their skin, bones, burnt hair, whiskers, etc. Poaching of other animals such as elephants, lions, etc is also very common. It's a shame on human beings to kill animals for their selfish motives.
I think it is catabolism though I am not sure.