Old refuse truck fitted with electric motor for cleaner, quieter and cheaper rubbish collections
Bi-partisan group of former lawmakers hatch plan for carbon tax policy to enter force after 2020 Presidential race
More than 4.5 million affected, says UN group, while tests suggest children's shorter height increases exposure on busy roads
Recycling reward machines to offer drivers 5p off drinks and snacks if they deposit empty plastic bottles and coffee cups
SolarEdge is seeking damages, an injunction, and recall of Huawei solar inverters, but Chinese tech giant is set to challenge the lawsuit
Mayor announces plans for 10-fold increase in capital's zero emission double decker buses when 68 are added to fleet next summer
The EU will raise its Paris deal pledge to 45 per cent, a spokesperson for the European Commission told CHN
Prime Minister says UK remains committed to Paris Agreement, but refuses to be drawn on calls for a new net zero target for mid-century
Flooding, heat waves, and droughts threaten billions of people in cities around the world by 2050 unless bold action is taken, research led by C40 cities estimates