Trump will withdraw US from Paris climate agreement while California, New York, Washington unite to back climate pact

Rosamund Pearce: Rosamund Pearce was Carbon Brief's multimedia journalist, focusing on graphics, interactives, videos and other multimedia, from September 2014 to June 2019. Rosamund is now freelancing and can be contacted via <a href="http://rosamund.org.uk/" rel="noopener">rosamund.org.uk</a>