Some say they are worse off than when subsidies were first imposed. With special feature audio.
Professor James Renwick responds to the tight relationship between science and state in regulation measures. With special feature audio.
OPINION: Are sea levels rising? Victoria University's Prof James Renwick responds to last weekend's post by climate change skeptics Bryan Leyland and Victoria University lecturer Willem de Lange — which attracted a record number of comments.
OPINION: The Royal Society's claims do not stand up to close examination.