New York

Mayor's endorsement could turn climate change into a serious election issue – and it might even embolden Republicans

Elon Musk's solar PV developer also unveils New York expansion plan

District judge throws out New York State's plea for full environmental review, ruling threat of harm is only speculative

Ten new systems installed on city-owned buildings take output up to 648kW

Deutsche Bank cuts ribbon on 122.4 kW PV project on Wall Street skyscraper headquarters

Big Apple could soon receive tidal energy as regulator issues first pilot project license

New York's most famous landmark bags another award after $550m renovation

Judges rule against bid to curb power companies' output by declaring their emissions a "public nuisance"

NV200 minivan will replace 13,000 taxis from 2013 with potential to switch to all-electric from 2017

Mayor Bloomberg proposes fitting photovoltaic panels on shuttered landfills in Staten Island and Brooklyn