Press Trust of India: Reduce tax on incomes and institute a tax on pollution was a suggestion environmental crusader Al Gore had for India to tackle the issue of global warming effectively. "Reduce tax on employees and employers and put a tax on pollution. The more carbon dioxide one emits the more he pays in taxes," said Gore in an interactive session at the India Today Conclave here on Saturday. Replying to a question by Minister of State for External Affairs Anand Sharma, Gore also …