Evidence needs to inform the public debate and policy making. Watch Brent Edward's interview with the out-going Prime Minister's chief science adviser.
Phil Twyford rejects National's fears about spread of regional fuel tax. Watch Jami-Lee Ross' interview with Brent Edwards.
Willie Jackson says employers have to do more to help with the labour shortage. Watch Brent Edwards interview the employment minister.
Analysis: Winston Peters will not want political turmoil during his time as acting prime minister.
Climate change commission must survive multiple changes of government. Watch Brent Edwards interview James Shaw.