Opinion

Tim Minett warns that the debate over the sustainability of bio-energy is in danger of becoming oversimplified

Jos Dings of Transport & Environment defends green campaigners' record in driving cleaner EU transport policies

The CBI's Nicola Walker argues that only an ambitious EU climate change package can deliver investor certainty the business community needs

Why do the costs of building nuclear appear to be rising over time, instead of coming down, as you would expect from other technologies?

Matthew Spencer and Nick Mabey argue the really critical long term policy signals for the green economy will not be found in the Chancellor's red box

The RSPB's Harry Huyton defends conservation group's 10 recommendations for better fracking regulations, dismissing industry claims they are unnecessary

Nina Skorupska warns that messing with the carbon price floor risks bringing the entire fragile edifice of government clean energy policy tumbling down

Ken Cronin of industry group UKOOG argues many of the risks posed by fracking highlighted by conservation groups are already being addressed

Tom Burke argues that for too long green economic debates have been dominated by "climate makers" - it is time for the "climate takers" to fight back

Not all things in the world are worth keeping, let alone connecting - People, not products and machines, must drive this next big push in technology