New York mayor announces sweeping climate change programme, while Washington's power will be carbon-neutral by 2030
State Governor Andrew Cuomo sets out 2019 agenda targeting a doubling of solar capacity by 2025 and a quadrupling of offshore wind capacity by 2035
City authorities could shift billions of dollars from fossil fuel funds in latest victory for divestment movement
New York State Governor sets agenda for 2018 and beyond, including raft of investment pledges on renewables, energy storage and carbon trading
In a major coup for divestment campaigners, state governor Andrew Cuomo and NYC comptroller Scott Stringer set out plans to halt pension investments into fossil fuels
Climate Change Minister to tell New York Summit that UK leads the G20 in terms of emission reduction efforts
Mayor Bill de Blasio outlines new measures requiring 14,500 of City's least efficient large buildings to upgrade boilers, water heaters, roofs and windows
Macron hosts press conference with Indian premier Narendra Modi promising further climate co-operation and welcomes former New York Mayor Michael Bloomberg to Élysée Palace to plot resistance
Peer-to-peer handmade items marketplace claims its NYC head office is now one of the largest, greenest buildings in the world
New York State Governor reveals funding for 11 renewables projects, including solar parks, wind farms and hydroelectric dam upgrades