EnvironmentGlobal power sector has almost hit peak greenhouse gas emissions This year could have been the beginning of the end for emissions from generating electricity, were it not for a drought that saw a fall in hydropower generation News
ChemistryPlastic bottles can be recycled into energy-storing supercapacitors Supercapacitors are charged like a battery but release their energy more rapidly – and some of their components can now be built from old plastic bottles News