400ppm adam bandt alex bhathal alex hawke alp australian labor party australian labor partyemissions trading scheme batman bill shorten bob katter brown coal carbon price cath bowtell cca china climate change climate change denial climate change denier climate emergency climate movement climate science clive palmer coal coal power coalition cory bernardi csg david feeney democratic labor party dennis jensen direct action direct action plan double dissolution doug cameron emission reduction fund emissions target energy supply association ets europe european ets extreme weather federal election gas greens greg combet greg hunt ian macfarlane jenny macklin julia gillard katter party kevin rudd liberal liberals lighter footprints malcolm turnbull marginal seat mark butler martin ferguson micro parties nationals opinion poll overseas climate action party" peter costello preference flow preferences preferencing pup renewable energy target renewables ret rob oakeshott ron boswell senate shooters and fishers simon crean soil carbon targets tony abbott tony windsor u.n. water western australia wikileaks wind