Climate change: How damaging is methane?

Climate change: How damaging is methane?

By Zebedee Nicholls & Tim Baxter The climate conversation is often dominated by talk of carbon dioxide, and rightly so. Carbon dioxide is the climate warming agent with the biggest overall impact on the heating of the planet. But it is not the only greenhouse gas...
Can you trust political polls?

Can you trust political polls?

By Andrew Balemi From now until October 17, Election Day in New Zealand, voters will be getting election poll information from multiple directions. So which ones can be trusted? The easy answer is: none of them.  However, some polls are worth more than others. Assess...