US International Trade Commission rules Chinese imports have harmed US manufacturers, potentially opening door for fresh import tariffs
US left further isolated in opposition to global climate deal as Nicaragua pledges to join agreement and Theresa May calls for defence of 'rules-based system'
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
Amazon, Lockheed Martin, Microsoft, Salesforce and Walmart flex muscle in the new Advanced Energy Economy trade group
Italian textile recycling firm hopes its proposed Arizona facility is the first of many across the US
Survey finds cost savings are pushing US private sector towards clean energy and emissions reduction efforts, despite hostility from the White House towards climate action
What does the latest climate disaster to hit the US tell us about the need for improved risk management?
Chinese President urges global cooperation on climate change as he delivers coded warning to Trump in address to economic summit
Research backed by the US Department of Energy estimates continued investment in R&D could make onshore wind one of the country's cheapest energy sources by 2030
State Department plans to cut or move at least 30 special envoy roles as part of departmental re-organistaion