New Motu report says altruism alone is unlikely to overcome public opposition to the idea.
Political decision for government on tax.
Jim Bolger's support of fair pay agreements ironic.
But employers say agreements will restrict flexibility.
Billions of dollars of council infrastructure is at risk from rising sea levels.
Greens unworried by talk of a new party.
Employers oppose compulsion.
National's tax plan will help middle-income earners most.
Tax change would save taxpayers $650 million.
New environmental party likely to take votes from National.