Waste industry report says more funding is needed to tackle fly-tipping, illegal waste sites, and growing "culture of criminality"

Natalie Bennett uses conference speech to reiterate call for end to UK fracking and for climate sceptic ministers to be sacked

Business group argues the policy disadvantages UK companies by forcing up energy prices, but could lower carbon taxes undermine green investment?

Government announces payments to large biomethane plants will be examined to see if they are overly generous

Transformation of power systems is needed to guarantee long-term flexibility, offering huge advantage for emerging economies

UK start-up set for £100m IPO to support potentially game-changing green washing technology

Campaign group says over-investment in fossil fuels will ensure profits continue to fall for largest energy companies

Prize for commercialising wave and tidal technology is a £6bn industry, supporting 19,500 jobs, and driving £800m a year in exports

Study finds huge potential for sustainable advanced biofuels to cut emissions and fossil fuel imports, but warns EU must get policy right

Campaign groups criticise vote to allow car makers until 2021 to meet 95g/km target