USA

New, more ambitious goals from dozens of major cities boosts earlier historic deal between the world's two biggest carbon polluting countries

Senate leader says advocates of SB350 could not compete with 'bottomless war chest' of fossil fuel interests

New industry data shows record growth in residential installations, while utility-scale developments could push country to 7.7GW installed this year

A discussion at the US ambassador's residence reveals parts of the clean tech community are facing something of a crisis of conscience

The Gulf city has become the poster child for building to withstand extreme weather, climate change and social or economic shocks — but there's a long way to go

Environmental groups band together to call on agency to improve laws for disposal of wastewater, often dumped in places that could leak toxic chemicals

As White House launches new $1bn green loan guarantee programme, President Obama urges the energy industry to back his decarbonisation plan

Navy and Marine Corps will add 1.2GW of clean energy to renewable portfolio this year

US government weather centre NOAA says first seven months of the year have broken a new temperature record

Cows, oil, the Tea Party and a true story of regenerating land while slowing climate change