UN chief urges leaders to be more ambitious after concerns they will sign a pre-negotiated text but won't commit on key issues
Delegates and non-governmental organisations at the UN's huge Rio+20 conference have expressed dismay that world leaders arriving on Wednesday to thrash out a deal will do little more than rubber-stamp...
Hotel giant to phase out the use of plastic straws within weeks
Takeaway giant's drive to cut plastic waste continues with trial of compostable condiment packaging
First major Japanese institutional investor embraces coal divestment, as switch to renewable energy gathers pace
UK energy regulator sets out reforms designed to boost EV uptake and save bill payers money amid 'radical transformation' of the energy grid